Nutritional supplements
Learning Center
Probiotics and prebiotics: What you should know
Probiotics are foods or supplements that contain 'good' bacteria that might help treat or prevent illness. Should they be part of your diet?
Recurring strep throat: When is tonsillectomy useful?
Tonsillectomy may sometimes be needed in children who have recurring strep throat infections.
Rhabdomyolysis from statins: What's the risk?
Rhabdomyolysis is a rare but potentially life-threatening side effect of statins.
Shingles treatment: Does alcohol use affect therapy?
Generally, it's best to avoid alcohol during the course of shingles treatment.
Sleep aids: Could antihistamines help me sleep?
Antihistamines can be somewhat effective as a sleep aid — but only for occasional sleeplessness.
Soy: Does it worsen hypothyroidism?
For most people with hypothyroidism, it's okay to have some soy. But the timing makes a difference.
Statins: Do they cause ALS?
Statins can cause muscle injury in some people. But can they also trigger ALS?
Test anxiety: Can it be treated?
Feelings of worry and self-doubt can interfere with how well you do on tests. Here's what you can do to lower your anxiety.
Testosterone therapy in women: Does it boost sex drive?
This type of hormonal therapy may boost sex drive for some women, but its long-term safety is unclear.
Too much vitamin C: Is it harmful?
Vitamin C is an essential nutrient, but too much carries its own risks.
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