Can a nasal spray give you tanner skin, better digestion, and a pep in your step? Medical professionals sniff out the truth ...

A number of peptides — not approved by the Food and Drug Administration and entirely unregulated — have grown in popularity recently. Dr. Jesse Mills regularly sees men who want to improve something ...

Peptides are short chains of amino acids that act as biological messengers, telling skin cells and tissues how to repair, regenerate, and function more efficiently. Their growing role in skincare and ...

“Peptide stacking works better than a single peptide because it coordinates multiple biological signals at once, producing a ...

The gray-market drugs flooding Silicon Valley reveal a community that believes it can move faster than the F.D.A.

Peptides are not a miracle ingredient, but they are a smart and reliable one. They support the skin’s natural repair ...

3D render of a molecular model. The molecule is alanine peptide. The shroud represents the region of hydrophobic repulsion, where the strength of the hydrophobic effect is approximately proportional ...