Nutrition basics
Learning Center
Sinus infection and toothache: Any connection?
Sometimes the cause of a toothache isn't a tooth problem, but a sinus problem.
Sleep deprivation: A cause of high blood pressure?
Too little sleep affects not only energy levels but also heart health.
Stool color: When to worry
Stool color is usually a result of diet and is only rarely a concern.
Sulfa allergy: Which medications should I avoid?
Sulfa allergy: A Mayo Clinic expert discusses which medications are likely to cause problems.
Taurine in energy drinks: What is it?
Energy drink ingredients can cause concern for some who consume these beverages.
Testicular microlithiasis: Is it linked with testicular cancer?
A Mayo Clinic specialist discusses the relationship between testicular microlithiasis and testicular cancer.
Thin skin? Added protection helps
Fragile or thin skin is a fairly common problem, especially in older adults.
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.
Undigested food in stool: What does it mean?
Undigested food in stool generally isn't a problem unless it's accompanied by other symptoms.
Vitamin B-12 and depression: Are they related?
Low levels of vitamin B-12 and other B vitamins may be linked to depression, but more research is needed.
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