Scurvy
A disorder that is caused by lack of vitamin C. Symptoms include anemia; soft, bleeding gums; and bumps under the skin near muscles. Scurvy in early childhood can cause musculoskeletal problems. Treatment involves including foods that are high in vitamin C in the diet and taking vitamin C supplements if necessary.
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A Chinese herb that belongs to a group of herbs named Scutellaria (scullcap or skullcap). It is related to mint. Both the root and the above-ground part of Scutellaria barbata have been used to make herbal medicines. The root has been used in traditional Chinese medicine to treat cancer of the liver, lung and rectum, […]
- SDF-1
A protein that acts as a chemokine. SDF-1 is the only known ligand for CXCR4. SDF-1 stands for stromal-derived factor 1. The SDF1 gene is on chromosome 10q11.1.
- Sea poisoning
An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish are common between March and August in the waters off of Florida and in the Gulf of Mexico and the Caribbean Sea. There may be no adult jellyfish around as a warning. The jellyfish larvae look like mere specks […]
- Seabather's itch
An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish are common between March and August in the waters off of Florida and in the Gulf of Mexico and the Caribbean Sea. There may be no adult jellyfish around as a warning. The jellyfish larvae look like mere specks […]
- Seasonal affective disorder (SAD)
Seasonal affective disorder (SAD), a form of depression that tends to occur as the days grow shorter in the fall and winter. It is believed that affected persons react adversely to the decreasing amount of light and the colder temperature as autumn and winter progress. The symptoms of SAD include regularly occurring symptoms of depression […]