Amino acids play a fundamental role in regulating how cells respond to drugs. These molecules, which form proteins, act like ...

SMC (structural maintenance of chromosomes) protein complexes are ring-shaped molecular motors essential for genome folding. Despite recent progress, the detailed molecu ...

With a knowledge of the amino-acid composition of the various animal and vegetable proteins, it is possible to choose proteins so that they become mutually supplementary, and thus to ensure a diet ...

Peptides are amino acids that may have anti-aging effects in skin products, such as helping reduce fine lines and wrinkles.

We tested dozens of leave-in conditioners over the years and outlined the 8 best ones we keep returning to, including options for fine hair, curly hair, dry hair and more.

If you don't eat animal products, a vegan protein powder may help you meet your protein needs. Here are the best plant-based option, according to dietitians and taste-testers.

Our dietitians and testers rounded up the 12 best protein powders. See the products that made our list and get tips on how to use protein powder.