Nutritional supplements
Learning Center
HPV infection: How does it cause cervical cancer?
Cervical cancer is most often caused by a genital human papillomavirus (HPV) infection.
What is wheatgrass? Why is it in my drink?
Wheatgrass is a popular addition to smoothies and other drinks. While it's a rich source of nutrients, it's not a disease cure-all.
Caffeine and depression: Is there a link?
Caffeine and depression are not directly linked, but there can be an indirect connection.
ADHD diet: Do food additives cause hyperactivity?
Better research is needed to find out if limiting certain foods or food additives will help reduce hyperactivity and ADHD symptoms.
Breast cysts: What role does caffeine play?
Too much caffeine may possibly increase your risk of breast discomfort.
Calcium supplements: Do men need them?
Do guys need calcium supplements for bone health?
Is fibromyalgia hereditary?
Is fibromyalgia hereditary? The disorder appears to run in families.
Pros and cons of taking a magnesium supplement
Magnesium supplements are popular but not risk-free. Fortunately food sources are easy to add to your diet.
Sex headaches
Learn about the causes and treatment of this type of headache.
Video: Heartburn and hiatal hernia
Watch this video to learn about heartburn and hiatal hernia.
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