Amino acids are the building blocks of protein. These molecules come together to form proteins. Your body uses them for many important functions, such as making hormones, building muscle, and ...

A person wearing black gloves paints a translucent paste on the face of a person who lies back in a chair. Chemical peels are a popular skin-care treatment with a growing market. Credit: Alamy ...

Glycolic acid is a substance that chemically exfoliates a person’s skin by dissolving dead skin cells and oils. Glycolic acid may also help boost collagen production, and support skin moisture.

Stimulant medicines are the most common way doctors treat attention deficit hyperactivity disorder (ADHD). But you might be looking for ways to help with your ADHD symptoms without the possible side ...