Nutrition basics
Learning Center
High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
Hand swelling during exercise: A concern?
This condition is a common problem, but rarely serious enough to disrupt your routine.
Secondary infertility: Why does it happen?
Second pregnancies don't always come easily. Learn about possible causes for secondary infertility and when to seek professional help.
Sinus infection and toothache: Any connection?
Sometimes the cause of a toothache isn't a tooth problem, but a sinus problem.
Coronary artery spasm: Cause for concern?
This sudden, temporary squeezing of the muscles in an artery wall reduces blood flow to the heart. Know the causes and treatment.
Coffee and health: What does the research say?
Has coffee gotten a bum rap? Can it be part of a healthy diet?
Yerba mate: Is it safe to drink?
This herbal tea may help you feel more alert and focused, but find out what the possible health risks are.
Phenylalanine in diet soda: Is it harmful?
You may be worried about phenylalanine because of a warning on diet soda. Find out why the warning is there.
Semen allergy: A cause of infertility?
Semen allergy, also called seminal plasma hypersensitivity, is a rare condition that can be easily misdiagnosed. Learn about symptoms and possible treatments.
Underweight? See how to add pounds healthfully
If you're underweight and not happy about it, try these tips to help you achieve your goal weight.
Refine Your Search
Type
- All
- Answer
Gender
Age
- All
- 45 to 64 middle
- 19 to 44 younger
- 65 to 80 older
- 80 and over
- 06 to 12 years elementary/preteen
- 03 to 5 years preschool
Focus
- All
- Causal Risk Factor
- Risk factor
- Home Treatment
- Complication
- Definition
- Prevention
- Test
- Unproven treatment
- Clinical Treatment