In axolotls, retinoic acid acts like a molecular GPS. Its concentration changes along the length of a regenerating limb, ...

At the heart of the process is an enzyme called CYP26b1, which breaks down retinoic acid and dictates how much of the ...

A recent survey found that 70% of adults over 50 experience joint pain. Here's what it could mean—and the expert-backed ways ...

A former morgue manager at Harvard Medical School, his wife and three other people have been charged over the theft and sale of human body parts. Cedric Lodge, 55, of Goffstown, New Hampshire ...

Age affects every type of body tissue, including skin, muscles, bone, and more. Learn about the specific effects of aging on ...

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To reach 500 milligrams (mg), you could turn to all of these foods and beverages): Vitamin C, also known as ascorbic acid, is necessary for the growth, development and repair of all body tissues.

Introduction: Temporomandibular joint (TMJ) osteoarthritis (OA ... a metabolic profile was constructed and assessed using a much larger number of human SF samples from patients with TMJOA, and a model ...