Healthy diets
Learning Center
Kratom: Unsafe and ineffective
Users claim kratom lifts mood and boosts energy, but there are many safety issues and questions about whether it works. Learn more before trying it.
Thin skin? Added protection helps
Fragile or thin skin is a fairly common problem, especially in older adults.
Zinc for colds: The final word?
Everyone's heard of taking zinc for colds. But does it really work?
Does prickly pear cactus have health benefits?
Have you heard about prickly pear cactus? Find out about some surprising health benefits of this versatile plant.
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
High cholesterol treatment: Does cinnamon lower cholesterol?
Can cinnamon lower cholesterol?
High-dose vitamin C: Can it kill cancer cells?
High-dose vitamin C has been touted by some as an effective alternative cancer treatment.
Natural remedies for depression: Are they effective?
For some people, certain herbal and dietary supplements seem to help with depression, but more studies are needed on their effectiveness and side effects.
High-dose flu vaccines: How are they different from other flu vaccines?
High-dose flu vaccines are flu vaccines for older people.
L-arginine: Does it lower blood pressure?
This supplement may help some people lower their blood pressure. Learn who might benefit and who should stay away from it.
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