Nutrition basics
Learning Center
Debunking COVID-19 myths
Some information you come across about COVID-19 may be out of date or false. Learn about COVID-19 myths so you can bust them when you see them.
Delayed ejaculation
Learn what can cause delayed or absent ejaculation and how it can be treated.
Dental floss vs. water flosser: Which is better?
Cleaning between your teeth every day is an important part of good oral health.
DiGeorge syndrome (22q11.2 deletion syndrome)
This condition is due to missing part of chromosome 22. It may cause heart issues, thyroid problems, cleft palate, lower immunity and other health problems.
Diabetes insipidus
Learn more about this unusual disorder that disrupts the body's fluid balance, causing too much urination and possibly leading to dehydration.
Diabetes prevention: 5 tips for taking control
Diabetes prevention is in your hands. Start by changing your lifestyle.
Diaper rash
Learn more about the causes, prevention and home remedies for this common condition that irritates skin under diapers.
Diet soda: How much is too much?
Diet soda may help you cut calories, but other low-calorie options abound.
Dietary fat: Know which to choose
Not all fat is created equal. Find out which type of fat to choose — and which to avoid — for good health.
Dietary fiber: Essential for a healthy diet
Some of the health benefits of eating dietary fiber might surprise you. Find out what fiber can do for you and how to get more in your diet.
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