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Peptide therapy is surrounded by both real science and heavy hype. Here's what is known, what isn't, and how to think about safety.

During perimenopause, the loss of estrogen shifts your body's master blood-pressure system — affecting your heart, kidneys, and bones. A functional-medicine physician explains the...

Glutathione is your body's master antioxidant. Dr. Bismah Irfan explains what it does, the foods and habits that support your own production, and where...