Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs FAQ List Search FAQs Alphabetical All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AAbnormal sperm morphology: What does it mean?Acai berries: Do they have health benefits?Acetyl-L-carnitine: Can it relieve MS fatigue?Acid reflux and GERD: The same thing?Acne mistakesAcne scars: Whats the best treatment?Activity trackers — help or hindrance for weight loss?Acupuncture for back pain?Acute bronchitis: Is it contagious?Acute hepatitis C infection: Is it serious?Acute sinusitis: Do over-the-counter treatments help?Added sugar in kids diets and heart disease riskAdrenal fatigue: What causes it?Adult bed-wetting: A concern?After a flood, are food and medicines safe to use?Age-related macular degeneration and dietAging and unsteady gait: What can you do?Aging skinAir pollution and exercise: Is outdoor exercise risky?Air travel during pregnancy: Is it safe?Air travel with infant: Is it safe?Albuterol side effects: Can I avoid them?Alcohol: Does it affect blood pressure?Alkaline water: Better than plain water?Allergy medications and pregnancy: Whats safe?Alzheimers and dementia: Whats the difference?Alzheimers disease: Can exercise prevent memory loss?Alzheimers nose spray: New Alzheimers treatment?Alzheimers prevention: Does it exist?Alzheimers: Can a head injury increase my risk?Ambien: Is dependence a concern?Ankle swelling during pregnancy: What helps?Ankle weights for fitness walkers: Good idea?Antibiotics and alcoholAntibiotics and pregnancy: Whats safe?Antidepressant withdrawal: Is there such a thing?Antidepressants and alcohol: Whats the concern?Antidepressants and weight gain: What causes it?Antidepressants: Can they stop working?Antidepressants: Which cause the fewest sexual side effects?Anxiety: A cause of high blood pressure?Aortic calcification: An early sign of heart valve problems?App helps reduce food wasteApple cider vinegar for weight lossArcus 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blockers: How do they affect exercise?Bioidentical hormones: Are they safer?Bipolar disorder and alcoholism: Are they related?Bipolar disorder in children: Is it possible?Bipolar medications and weight gainBipolar treatment: Are bipolar I and bipolar II treated differently?Bladder infection in menBladder outlet obstruction: Causes in men?Bleeding after hysterectomy: What can I expect?Bleeding after menopause: Is it normal?Blighted ovum: What causes it?Blood clots during menstruation: A concern?Blood glucose monitors: What factors affect accuracy?Blood pressure cuff: Does size matter?Blood pressure medication: Still necessary if I lose weight?Blood pressure medications: Can they raise my triglycerides?Blood pressure readings: Why higher at home?Blood pressure: Can it be higher in one arm?Blood pressure: Does it have a daily pattern?Blood pressure: Is it affected by cold weather?Blood sugar levels can fluctuate for many reasonsBlood thinners: Can I still get blood clots?Body fat analyzers: How accurate are they?Body-weight training: Is it effective for strength training?Breakfast: How does it help weight control?Breast cancer radiation: Can it cause dry skin?Breast implants and cancer: Any connection?Breast implants: Do they interfere with mammograms?Breastfeeding and alcohol: Is it OK to drink?Breast-feeding and weight loss: What really happens?Breastfeeding strike: Why do babies refuse to nurse?Breastfeeding while pregnant: Is it safe?Brominated vegetable oil: Why is BVO in my drink?Build resilience to better handle diabetesBulging disk vs. herniated disk: Whats the difference?Bump on the head: When is it a serious head injury?Butter vs. margarine: Which is better for my heart?CCA 125 test: A screening test for ovarian cancer?Caffeine and menopause symptoms: Is there a link?Caffeine: Does it affect blood sugar?Caffeine: How does it affect blood pressure?Caffeine: Is it dehydrating or not?Calcium supplements: A risk factor for heart attack?Calcium supplements: Do men need them?Calcium supplements: Do they interfere with blood pressure drugs?Calcium supplements: When should they be taken?Can arthritis pain medications be harmful?Can baby eczema be prevented?Can music help someone with Alzheimers?Can vaginal tears during childbirth be prevented?Can vitamin D protect against the coronavirus disease 2019 (COVID-19)?Can vitamins help prevent a heart attack?Can whole-grain foods lower blood pressure?Can yoga help me keep caregiver stress in check?Can you develop a taste for healthy foods?Can you recommend a diet after gallbladder removal?Candida cleanse diet: What does it treat?Canned pumpkin: Better than fresh?Canola oil: Does it contain toxins?Car sickness in children: Can I prevent it?Cardiac asthma: What causes it?Caring for a loved one with diabetesCarpal tunnel exercises: Can they relieve symptoms?CBD: Safe and effective?Celiac disease diet: How do I get enough grains?Cellphones and cancer: Whats the risk?Cellulitis infection: Is it contagious?Cellulitis: How to prevent recurrent episodesCervical cysts: Can they be cancerous?Cervical dysplasia: Is it cancer?Cervical length: Why does it matter during pregnancy?Chapped lips: Whats the best remedy?Chelation therapy for heart disease: Does it work?Chemotherapy and sex: Is sexual activity OK during treatment?Chemotherapy side effects: A cause of heart disease?Chickenpox and pregnancy: What are the concerns?Child growth: Can you predict adult height?Cholesterol level: Can it be too low?Cholesterol ratio or non-HDL cholesterol: Which is most important?Cholesterol test kits: Are they accurate?Chronic bladder infection: Is there a cure?Chronic diarrhea: A concern after gallbladder removal?Clinical depression: What does that mean?Coconut oil: Can it cure hypothyroidism?Coconut water: Is it super hydrating?Coffee and health: What does the research say?Coffee calories: Sabotaging your weight loss?Cold and flu viruses: How long can they live outside the body?Cold or 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common?Curcumin: Can it slow cancer growth?DDairy and heart disease riskDegenerative changes in the spine: Is this arthritis?Demyelinating disease: What can you do about it?Dental floss vs. water pick: Which is better?Dental work during pregnancy: Is it safe?Denture care: How do I clean dentures?Depression and anxiety: Can I have both?Detox foot pads: Do they really work?Diabetes and depression: Coping with the two conditionsDiabetes and fasting: Can I fast during Ramadan?Diabetes and foot careDiabetes diet: Should I avoid sweet fruits?Diabetes foods: Can I substitute honey for sugar?Diabetes treatment: Can cinnamon lower blood sugar?Diabetes: Does alcohol and tobacco use increase my risk?Diabetes: How do I help protect my liver?Diastasis recti: How does pregnancy affect stomach muscles?Diet soda: How much is too much?Digestion: How long does it take?Discolored baby teeth: A cause for concern?Discolored semen: What does it mean?Diuretics and gout: Whats the connection?Diuretics: A cause of low potassium?Diverticulitis: Can certain foods trigger an attack?Do infrared saunas have any health benefits?Do the benefits of vitamin C include improved mood?Does atrial fibrillation run in families?Does honey offer sweet relief for allergies?Does older age increase the risk of atrial fibrillation?Does prickly pear cactus have health benefits?Does soy really affect breast cancer risk?Does sunscreen expire?Doppler ultrasound: What is it used for?Doula: Do you need a doula?Drinking alcohol: Is it safe after hepatitis C cure?Dry mouth treatment: Tips for controlling dry mouthEEar candling: Is it safe?Ear stapling for weight loss: Does it work?Early HIV symptoms: What are they?Early miscarriage: Is stress a factor?Eat well at workEat well to age wellEating the placenta: A good idea?Ebola transmission: Can Ebola spread through the air?Eczema bleach bath: Can it improve my symptoms?Eggs: Are they good or bad for my cholesterol?Ejection fraction: What does it measure?Electric toothbrush: Better than a manual toothbrush?Elliptical machines: Better than treadmills?Emerging treatments for multiple sclerosisEndometriosis: Risk factor for ovarian cancer?Enlarged prostate: Does diet play a role?Enterovirus D68: How can I protect my child?Exercise and illness: Work out with a cold?Exercise and multiple sclerosisExercise during pregnancy: Is heart rate a concern?Exercise: How much do I need every day?Exercising: Does taking the stairs count?Eye dilation: Necessary with every eye exam?FFainting during urination (micturition syncope): What causes it?Falling during pregnancy: Reason to worry?Fallopian tubes: Is pregnancy possible with only one?Family meals and your weightFast weight loss: Whats wrong with it?Fasting diet: Can it improve my heart health?Fear of public speaking: How can I overcome it?Female orgasm: No climax with vaginal penetration?Fiber supplements: Safe to take every day?Fibromyalgia treatment: Is Neurontin effective?Fibromyalgia: Can acupuncture relieve symptoms?Fibromyalgia: Linked to other health problems?Fingolimod during pregnancy: Is it safe?Fish and mercury contaminationFish and polychlorinated biphenyls (PCBs)Flaxseed: Is ground better than whole?Flu and pregnancy: Is antiviral medication safe?Flu mask: Should I wear one?Flu shot in pregnancy: Is it safe?Flu shot: Will it prevent the stomach flu?Flu shots for kids: Does my child need a flu shot?Flu symptoms: Should I see my doctor?Flu vaccine: Safe for people with egg allergy?Foamy urine: What does it mean?Food allergy vs. food intolerance: Whats the difference?Food fraud: Is it for real?Food poisoning: How long can you safely keep leftovers?Foot swelling during air travel: A concern?Free blood pressure machines: Are they accurate?Frequent sex: Does it protect against prostate cancer?Frontal fibrosing alopeciaFructose intolerance: Which foods to avoid?Fruit or vegetable: Whats the difference?Fundal height: An accurate sign of fetal growth?GGallbladder cleanse: A natural remedy for gallstones?Gallbladder polyps: Can they be cancerous?Gastric bypass surgery: What happens if I regain the weight?Gene expression profiling for breast cancer: What is it?Genetically modified foods — Why the controversy?Genital herpes: Can you get it from a toilet seat?GERD: Can certain medications make it worse?Ginger for nausea: Does it work?GLP-1 agonists: Diabetes drugs and weight lossGlucosamine: Does it protect cartilage in osteoarthritis?Glycemic index: A helpful tool for diabetes?Granuloma: What does it mean?Grape juice: Same heart benefits as wine?Grapefruit: Beware of dangerous medication interactionsGrass-fed beef: What are the heart-health benefits?Graves dermopathy: How is it treated?Grieving process: Is crying required?HHair dye and pregnancy: A concern?Hand drying reduces spread of germsHand swelling during exercise: A concern?HCG diet: Is it safe and effective?Headaches during pregnancy: Whats the best treatment?Heart attack prevention: Should I avoid secondhand smoke?Heart cancer: Is there such a thing?Heart disease prevention: Does oral health matter?Heart failure and sex: Is it safe?Heart rate: Whats normal?Heartburn medicines and B-12 deficiencyHeavy coffee consumption — Risky for some?Heavy periods: Can folic acid help?Hemorrhoids during pregnancy: Whats the best treatment?Hepatitis C: How common is sexual transmission?Hepatitis C: What happens in end-stage liver disease?HER2-positive breast cancer: What is it?Herbal treatment for anxiety: Is it effective?Herbs and supplements: Can they enhance fertility?Hernia truss: Can it help an inguinal hernia?High blood pressure and cold remedies: Which are safe?High cholesterol in children: How is it treated?High cholesterol treatment: Does cinnamon lower cholesterol?High-dose flu vaccines: How are they different from other flu vaccines?High-dose vitamin C: Can it kill cancer cells?High-frequency hearing loss: Can hearing aids help?High-fructose corn syrup: Any health concerns?High-protein diets: Are they safe?Hip resurfacing: An alternative to conventional hip replacement?Hodgkins vs. non-Hodgkins lymphoma: Whats the difference?Honey: An effective cough remedy?Hormone replacement therapy: Can it cause vaginal bleeding?How do COVID-19 antibody tests differ from diagnostic tests?How does smoking affect fertility?How is brown fat different from other fat?How many hours of sleep are enough?How much tummy time does your baby need?How to heal cracked heelsHow to heal cracked skin at thumb tipHow to track saturated fatHow to treat a piercing site infectionHow to treat baby eczemaHPV infection: A cause of cancer in men?Hydrated skin: Does drinking water help?Hygiene hypothesis: Does early germ exposure prevent asthma?Hyperbaric oxygen therapy: Can it reduce stroke damage?Hyperextended knee: Cause of serious injury?Hyperinflated lungs: What does it mean?Hyperinsulinemia: Is it diabetes?Hyperlactation: What causes it?Hypertensive crisis: What are the symptoms?Hypothyroidism and infertility: Any connection?Hypothyroidism diet: Can certain foods increase thyroid function?Hypothyroidism symptoms: Can hypothyroidism cause eye problems?Hypothyroidism: Can calcium supplements interfere with treatment?Hypothyroidism: Can it cause peripheral neuropathy?Hypothyroidism: Does it cause joint pain?Hypothyroidism: Should I take iodine supplements?IImplantation bleeding: Common in early pregnancy?Induced lactation: Can I breastfeed my adopted baby?Infant botulism: Can it be prevented?Infant constipation: How is it treated?Infant formula: Is tap or bottled water better?Infant growth: Whats normal?Infant swimming: Do indoor pools increase asthma risk?Insomnia: How do I stay asleep?Intermittent fasting: What are the benefits?Is a home sperm test useful?Is depression a factor in rheumatoid arthritis?Is fibromyalgia hereditary?Is gluten-free a healthy way to eat?Is it safe to store food in takeout containers?Is it time for an oil change?Is the definition of Alzheimers disease changing?Is yo-yo dieting making you fat?Isolated systolic hypertension: A health concern?Isometric exercises: Good for strength training?JJoint hypermobility: What causes loose joints?Juicing: What are the health benefits?KKidney dialysis: When is it time to stop?Kidney donation: Are there long-term risks?Kids and exercise: How much activity do they need?Kombucha tea: Does it have health benefits?LLack of sleep: Can it make you sick?Lactation suppression: Can medication help?L-arginine: Does it lower blood pressure?Laryngospasm: What causes it?Late-night eating: OK if you have diabetes?Latent autoimmune diabetes in adults (LADA): What is it?Latisse: The answer for longer, thicker eyelashes?Leg cramps during pregnancy: Preventable?Leg pain after prolonged standing or sittingLentils: How do I cook with them?Livedo reticularis: When is it a concern?Liver cysts: A cause of stomach pain? Liver transplantation for chronic hepatitis C: How common is it?Loss of sex drive in men: Natural with aging?Loss of taste and smell: Natural with aging?Low amniotic fluid: Can it be treated?Low blood sodium in older adults: A concern?Low milk supply: What causes it?Lower back tattoo: OK to have an epidural?Low-phosphorus diet: Helpful for kidney disease?Lung nodules: Can they be cancerous?Lupus: Can it cause hair loss?Lupus: Can it cause hives?MMacrocytosis: What causes it?Magic mouthwash: Effective for chemotherapy mouth sores?Making progress towards your goalsMammogram guidelines: What are they?Manage your health and time while balancing work demandsMangosteen juice: Can it relieve arthritis pain?MAOIs and diet: Is it necessary to restrict tyramine?Measles vaccine: Can I get the measles if Ive already been vaccinated?Melatonin side effects: What are the risks?Menopause and high blood pressure: Whats the connection?Metabolism boost for weight loss?Migraine medications and antidepressants: A risky mix?Migraine treatment: Can antidepressants help?Migraines and gastrointestinal problems: Is there a link?Migraines: Are they triggered by weather changes?Milk substitutes: What you need to knowMinistroke vs. regular stroke: Whats the difference?Moldy cheese: Is it OK to eat?Mononucleosis and Epstein-Barr: Whats the connection?Mononucleosis: Can it recur?Monosodium glutamate (MSG): Is it harmful?MRI: Is gadolinium safe for people with kidney problems?MSM for arthritis pain: Is it safe?Mucus in stool: A concern?MUFAs: Why should my diet include these fats?Multiple sclerosis: Can it cause seizures?Multivitamins: Do young children need them?Myofascial release therapy: Can it relieve back pain?NNail biting: Does it cause long-term damage?Nail ridges: Cause for concern?Narrow stools: Should I be concerned?Nasal spray addiction: Is it real?Natural acne treatment: Whats most effective?Natural aphrodisiacs: Do they work?Natural breast enhancement: Do supplements work?Natural remedies for depression: Are they effective?Nausea during pregnancy: A good thing?Negative-calorie foods: Diet gimmick or weight-loss aid?Nervous breakdown: What does it mean?Neti pot: Can it clear your nose?Neurontin side effects: How do I manage them?Newborn sleep: Should I wake my baby for feedings?Niacin overdose: What are the symptoms?Nighttime headaches: How can I get relief?Nocturnal panic attacks: What causes them?Non-mesh sling: A treatment for stress urinary incontinence?Normal stress or adjustment disorder?Normal weight obesity: A hidden health risk?NSAIDs: Do they increase my risk of heart attack and stroke?OOccipital nerve stimulation: Effective migraine treatment?Ocular migraine: When to seek helpOil of oregano: Can it treat sinusitis?Omega-6 fatty acids: Can they cause heart disease?Opioids: Safe for older people with arthritis?Organic baby food: Better for baby?Osteopathic medicine: What kind of doctor is a D.O.?Osteoporosis drugs: Risk of bone problems in jaw, thigh?Osteoporosis: How long must I take bisphosphonates?Outpatient joint replacement: Is it a safe option?Ovarian cancer: Still possible after hysterectomy?Ovarian cysts and infertility: A connection?Ovulation signs: When is conception most likely?Ozone air purifiers: Can they improve asthma symptoms?PPain and depression: Is there a link?Pap smear: Do I need one if Im a virgin?Pap smear: Still needed after hysterectomy?Pap test: Can it detect ovarian cancer?Paraprobiotics: Next functional food frontier?Passive-aggressive behavior: What are the red flags?Paternal age: How does it affect a baby?Penis fracture: Is it possible?Petroleum jelly: Safe for a dry nose?Phantosmia: What causes olfactory hallucinations?Phentermine for weight lossPhenylalanine in diet soda: Is it harmful?Phosphatidylserine supplements: Can they improve memory?Photodynamic therapy: An effective treatment for lung cancer?Pink eye treatment: What if I wear contact lenses?Pink eye: How long is it contagious?Play it safe when taking food to a loved one in the hospitalPlugged ears: What is the remedy?Polymyositis: Can it affect my lungs?Polypill: Does it treat heart disease?Pomegranate juice: A cure for prostate cancer?Pomegranate juice: Can it lower cholesterol?Post-traumatic stress: How can you help your loved one?Prednisone withdrawal: Why taper down slowly?Pregnancy acne: Whats the best treatment?Pregnancy after gastric bypass: Is it safe?Pregnancy and hot tubs: Whats the risk?Pregnancy and lactose intolerance: How do you get enough calcium?Pregnancy constipation: Are stool softeners safe?Pregorexia: A legitimate problem during pregnancy?Premenstrual dysphoric disorder: Different from PMS?Prenatal vitamins: OK for women who arent pregnant?PrEP: How effective is it at preventing HIV?Preventing hair loss in womenProbiotics and prebiotics: What you should knowProlotherapy: Solution to low back pain?Pros and cons of taking a magnesium supplementProstate cancer brachytherapy: Can I pass radiation to others?Prostate cancer metastasis: Where does prostate cancer spread?Prostate cancer treatment: Does initial treatment preclude others later?Prostate cancer: Does PSA level affect prognosis?Prostatitis: Can sexual activity make it worse?Protein shakes: Good for weight loss?PSA levels: Can they rise after partial prostate removal?Pseudoaneurysm: What causes it?Pseudoclaudication: Is it related to claudication?Pubic hair removal: Are there benefits?Pulse pressure: An indicator of heart health?RReactive airway disease: Is it asthma?Reactive hypoglycemia: What can I do?Recreational ED drug use: Is it safe?Recurrent prostate infection: What are the treatment options?Recurring strep throat: When is tonsillectomy useful?Renal diet for vegetarians: What about protein?Repeat C-sections: Is there a limit?Resperate: Can it help reduce blood pressure?Rhabdomyolysis from statins: Whats the risk?Rheumatoid arthritis: Can it affect the eyes?Rheumatoid arthritis: Can it affect the lungs?Ricin poisoningRosacea treatment: Can light therapy reduce symptoms?SSalt craving: A symptom of Addisons disease?Savella for fibromyalgia: Helpful for fatigue?Scalp psoriasis vs. seborrheic dermatitis: Whats the difference?Sea salt vs. table salt: Whats the difference?Seasonale: Is breakthrough bleeding more common?Secondary infertility: Why does it happen?Self-care for the fluSemen allergy: A cause of infertility?Sensitive teeth: What treatments are available?Service dogs assist with diabetes careSex and COVID-19: Can you get COVID-19 from sexual activity?Sex during vaginal infection: Is it harmful?Shape up your diet with a few tweaksShaving hair: Does shaved hair grow back thicker?Shingles treatment: Does alcohol use affect therapy?Shingles vaccine: Can I transmit the vaccine virus to others?Shingles vaccine: Should I get it?Should I make changes to my diet if Ive been diagnosed with atrial fibrillation?Silent heart attack: What are the risks?Silicone breast implants: What happens if they rupture?Sinus infection and toothache: Any connection?Sitting risks: How harmful is too much sitting?Sjogrens syndrome: Can it cause recurrent UTIs?Sleep aids: Could antihistamines help me sleep?Sleep apnea and caffeine: Any connection?Sleep deprivation: A cause of high blood pressure?Small cell, large cell cancer: What this meansSodium nitrate in meat: Heart disease risk factor?Soy: Does it reduce cholesterol?Soy: Does it worsen hypothyroidism?Spastic colon: What does it mean?Sperm: How long do they live after ejaculation?Splitting doses: A good strategy for colonoscopy preparation?Statins: Do they cause ALS?Stevia: Can it help with weight control?Stomach flu: How long am I contagious?Stool color: When to worryStrength training sets: How many for best results?Strep throat in young children: A common diagnosis?Stress and hair loss: Are they related?Suggestions as you consider your future careerSulfa allergy: Which medications should I avoid?Sun rash: Causes and preventionSunburn treatment: Do I need medical attention?Sundowning: Late-day confusionSustainable food choicesSwallowing gum: Is it harmful?TTailbone pain: How can I relieve it?Tanning: Does a base tan prevent sunburn?Taurine in energy drinks: What is it?Tendinitis pain: Should I apply ice or heat?Terrible twos: Why are 2-year-olds so difficult?Test anxiety: Can it be treated?Testicular microlithiasis: Is it linked with testicular cancer?Testosterone level: Can you boost it naturally?Testosterone therapy in women: Does it boost sex drive?Tetanus shots: Is it risky to receive extra boosters?The dawn phenomenon: What can you do?Thin skin? Added protection helpsThirdhand smoke: What are the dangers?Thyroid disease: Can it affect a persons mood?Thyroid guard: Do I need one during a mammogram?Thyroid peroxidase antibody test: What is it?Tinnitus causes: Could my antidepressant be the culprit?Tips for cutting costs of blood glucose test stripsToddler speech development: Whats typical for a 2-year-old?Too much vitamin C: Is it harmful?Trampoline jumping: Safe for kids?Tumor vs. cyst: Whats the difference?UUncircumcised penis: Is special care needed?Underweight? See how to add pounds healthfullyUndigested food in stool: What does it mean?Universal blood donor type: Is there such a thing?Unusual COVID-19 symptoms: What are they?Use these tips to help children prevent diabetesVVaccination schedule: Why so many so fast?Vaccines during pregnancy: Are they safe?Vaginal dryness after menopause: How to treat it?Valerian: A safe and effective herbal sleep aid?Vaping during pregnancy: Is it safe?Vegetable juice: As good as whole vegetables?Vegetarian diet: Can it help me control my diabetes?Vegetarian diet: Will it help me lose weight?Vicks VapoRub: An effective nasal decongestant?Vitamin B-12 and depression: Are they related?Vitamin B-12 injections for weight loss: Do they work?Vitamin D and MS: Is there any connection?Vitamin D deficiencyVitamin D deficiency: Can it cause high blood pressure?Vitamin D for babies: Are supplements needed?Vitamin D toxicity: What if you get too much?Vitamin D: Can it prevent Alzheimers & dementia?Vitamins for MS: Do supplements make a difference?VLDL cholesterol: Is it harmful?Vocal cord dysfunction: Is it a type of asthma?Vulvar varicosities during pregnancy: What can you do?WWaist size may be a predictor of life expectancyWalking pneumonia: What does it mean?Walking: Is it enough for weight loss?Warfarin diet: What foods should I avoid?Warm-mist versus cool-mist humidifier: Which is better for a cold?Water after meals: Does it disturb digestion?Water exercise: Does pool temperature matter?Water retention: Are there natural diuretics?Weight management during the holidaysWeight training: Free weights vs. machine weightsWeighted hula hoops: Hoopla or good exercise?Weightlifting belt: Do I need one?Weight-loss hypnosis: Does it work?What are functional foods?What are opioids and why are they dangerous?What are superbugs and how can I protect myself from infection?What do the dates on food packages mean?What is a heart failure action plan?What is BPA? Should I be worried about it?What is chikungunya fever, and should I be worried?What is hot yoga?What is meant by the term "heart age"?What is MERS-CoV, and what should I do?What is reflexology?What is ROP and how is it treated?What is the Asian longhorned tick and where is it found?What is the MIND diet?Whats on your kitchen counter affects your weightWhats the difference between H1N1 flu and influenza A?When the heat is on, which oil should you use?When to brush your teethWhich fish to buy? Farmed or wild?White coat hypertension: When blood pressure rises at the doctors officeWhite patch on skin: A cause for concern?White stool: Should I be concerned?Whitening toothpaste: Does it whiten teeth?Whole-body vibration: An effective workout?Why isnt there a hepatitis C vaccine?Will an air purifier eliminate cigarette smoke?Wilsons syndrome: An accepted medical diagnosis?Wisdom teeth removal: When is it necessary?Wrist blood pressure monitors: Are they accurate?XX-ray during pregnancy: Is it safe?YYeast infection during pregnancy: Over-the-counter treatment OK?Yeast infection in men: How can I tell if I have one?Yerba mate: Is it safe to drink?Yucca: Can it relieve arthritis pain?ZZinc for colds: The final word?