The thyroid gland is hugely important because it is the only means by which your body absorbs iodine to produce a hormone which is necessary for nearly every metabolic function in the body (everything from body temperature regulation and brain development, to converting food into energy).
Sprainâcomplete or incomplete tear in supporting ligaments surrounding a joint caused by a twisting or wrenching motion. Strainâacute or chronic injury to a muscle or tendinous attachment caused by stress, overuse, or over stretching. Classified as mild, moderate, or severe (see Classifying sprains and strains)
A National Athletic Trainers' Association answered. A sprain is an injury to the ligaments of the wrist. When a sprain occurs, the injured ligament will either be stretched (in mild cases) or torn (in more severe cases). A strain is an injury to the muscles or tendons of the wrist. The amount that the injured muscle is torn is based on the severity of the strain.