Sprained ankle An ankle sprain is an injury the ligaments in the foot causing pain, tenderness, swelling, and bruising. Blood clot in the legs Blood clots in the leg can become very dangerous, symptoms include swelling, redness, tenderness in the leg.
serine A non-essential amino acid found as a component of most proteins. It is a precursor of choline, glucine, cysteine and pyruvate. Serine is present in most diets but most of the body serine is synthesized.
Serine, in turn, is needed to produce the amino acid, tryptophan, which is imperative to the construction of other important neurotransmitters. Tryptophan is a natural relaxant, relieves stress, anxiety and depression, and most critically is used in the making of serotonin.