What does vitamin D do? Learn about vitamin D benefits and discover foods that are high in vitamin D. Explore vitamin D deficiency symptoms and the safest ways to get enough vitamin D.

Minerals and vitamins are key nutrients your body needs to thrive. Vitamin A, vitamin C, vitamin D, vitamin E, niacin, and riboflavin are just a few of these nutrients. Some vitamins act as antioxidants. Minerals serve many vital roles.

Worried you're coming up short on vitamin C? Here are some telltale symptoms to watch out for.

Could you be at risk for vitamin D deficiency? Take this online quiz to find out what your body and your bones may be missing.

Eye health is boosted by lutein, zeaxanthin, vitamin C, omega-3 fatty acids, beta-carotene, vitamin E, vitamin A, and other nutrients. Special formulas of eye vitamins are available to boost eye health and decrease the risk of age-related macular degeneration (AMD) and other eye conditions. Eat a variety of colorful fruits and vegetables to protect your eye health.

B6 is a hard-working vitamin that affects everything from your mood to appetite to skin condition. Here are signs you may not have enough.

Your body needs vitamin B12 to keep blood cells healthy and to make your nerves work right. But what happens when you run low?

There are certain essential vitamins the human body needs to supplement good health and proper function. Do you know what they are? Take our Vitamins & Supplements Quiz and get healthy!

Your body needs more of certain vitamins and minerals as you hit your 40s and beyond. Find out which ones will benefit you -- and which won't.

Help fight colds, flu, as well as viruses like coronavirus (COVID-19) with foods that boost and improve your immune system. Reach for bright-colored antioxidant and vitamin-rich fruits and vegetables such berries, broccoli, garlic, ginger, tea and more for vibrant health.

Your diet can affect your skin in many ways. Certain foods that contain nutrients that promote a healthy, vibrant complexion. Explore foods for clear, glowing and younger-looking skin.

Take this osteoporosis quiz! Learn signs, symptoms, treatments, exercises, and how you can prevent bone loss and painful fractures associated with this degenerative disease.

Diet, including nutrient, antioxidant, and vitamin intake, affects colon cancer risk. Certain dietary factors either decrease or increase the risk of colorectal cancer, breast cancer, and other diseases. Dietary factors may either inhibit or stimulate the development of cancer cells. Have a nutrition plan that decreases the risk.

Body aches and pains can be disruptive and frustrating. Learn many chronic pain causes, including lupus, arthritis, fibromyalgia, chronic fatigue, influenza, and vitamin deficiency. Find treatments that can ease whole body pain and bring relief, such as meditation and self-management.

What home remedies work to get rid of a cold fast? Many claim cold symptoms and flu symptoms can be relieved with Echinacea, zinc, neti pots, garlic, vitamin C, saltwater gargles, nasal strips, or bed rest. Find out what cold and flu treatments work the natural way, and what doesn't.

Biological clocks control much of human biology, including aging, hormones, sleep, fertility, and seasonal cycles. The body clock controls circadian rhythms, the 24-hour cycle that governs biological processes in humans, animals, plants, and even bacteria. Science says maintaining healthy circadian rhythms may protect against chronic conditions.

Lemons and limes are chock full of nutrients that can keep you healthy. Learn more about what they can do.

Vegetarian diet plans have benefits like weight loss and reduced risk of heart disease, diabetes, and cancer. Vegetarian diet recipes contain protein from beans, legumes, nuts, eggs, and dairy. Vegetarian diets confer health benefits if you eat this way even once or twice per week.

Foods that help fight depression include turkey, Brazil nuts, carrots, shellfish, coffee, leafy greens, salmon, milk, and berries. These are rich in antioxidants, omega-3 fatty acids, selenium, vitamin B12, folate, and vitamin D. Avoid central nervous system depressants like alcohol and foods containing high-glycemic simple carbohydrates and added sugars that exacerbate depression.

What health benefits can organic foods offer? What organic foods have the best nutrition, and when are supermarket standards fine? Learn about milk, beef, apples, bananas, and more. Learn what fruits and vegetables have the most pesticides according to FDA reports.

What is a superfood? Test your superfoods IQ with this online quiz featuring heart-healthy, weight-friendly, fruits, vegetables, drinks, and other foods that are available at your fingertips.

Think you have to pay big bucks to eat healthy? Think again. Find out more about cheap foods that will keep your body and bank account in good health.

What foods have the most health benefits for men? For losing weight, gaining muscle, and lowering your risk of prostate cancer, check out these healthy foods. Choosing a diet focused on whole grains, fruits, and a variety of vegetables can lead to a longer life, fewer health problems, and a trim waistline. Learn more about the health advantages of various foods for guys.

Alcohol and acetaminophen are well-known liver dangers, but what else can be harmful? WebMD says some of them may surprise you.

View a picture of Picture of Pernicious Anemia and learn more about Vascular, Lymphatic and Systemic Conditions.

Anemia is a disease marked by low numbers of red blood cells. Low iron deficiency or underlying disease, like cancer, may be to blame. Treatment can resolve anemia.

Has your doctor prescribed a new heart medication? Learn more about different prescription cholesterol drugs, what they do, and how they work to lower cholesterol.

What are the first signs of osteoporosis? A disease characterized by low bone mass and density. Osteoporosis causes symptoms of weak, thin, fragile bones. Learn the treatments and medications used to fight osteoporosis.

View an Illustration of Picture of Dandruff and learn more about Skin Problems.

How can you get rid of acne breakouts with nutrition? Does this food cause acne? Milk, chocolate, and seaweed are all considered by some to promote acne. Find healthy foods that promote acne treatment. What can diet changes do to improve acne care?

Make your child smarter and healthier with these brain-boosting meals! Developing brains needs the right foods to boost learning and improve concentration.

WebMD shows you how to build strong bones -- and stave off osteoporosis -- through a diet rich in high-calcium foods that might surprise you.

What foods, drugs, and herbal supplements interact with your pharmaceuticals? Learn about grapefruit and other common drug interactions to medications like warfarin, tramadol, Zoloft, trazodone, gabapentin, melatonin, Xanax, Lexapro, lithium, Lisinopril, Mucinex, and more.

While too much time in the sun can be bad for your skin and may lead to serious health problems, small doses can be good for you in several ways.

Despite medical progress, tuberculosis, measles, and scarlet fever keep infecting people worldwide. Why are these diseases from history so tough to stamp out? Learn about bubonic plague, chlamydia, mumps, and whooping cough, along with treatment and prevention information.

Good brain health depends on exercising regularly, eating well, and getting enough sleep. Learn how to develop good health habits to protect your brain against neurodegeneration, Alzheimer's disease, and other kinds of dementia.

Are pumpkin seeds good for your health? What's the nutritional value of chia seeds? Find out how to easily incorporate more edible, healthy seeds into a diet rich in vitamins and minerals.

They're sometimes seen as a kind of magic bullet for our health problems. Find out more about what antioxidants can do for your health.

Top foods for healthy hair include salmon, green vegetables, beans, nuts, poultry, eggs, whole grains, oysters, low-fat dairy products, and carrots. Foods for healthy hair supply protein, healthy fats, and vitamins and minerals.

The feeling of burning in your feet isn't just an annoyance. It might also be a sign of a more serious condition. Find out more about what can make your feet burn.

What foods are heart healthy? Learn what foods help protect your cardiovascular system from heart attack, coronary heart disease, stroke, and cardiovascular disease. Plus, find easy meal recipes and menu ideas for more everyday heart benefit.

Learn how to protect your skin from wrinkles with these antiaging tricks such as sleep position, diet, and wrinkle treatments. Simple lifestyle changes can reduce wrinkles around the eyes, on the forehead, and around the mouth.

From the acai berry to the pomegranate, WebMD shows to prepare and serve vitamin-rich, exotic, tropical fruits.