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)
1 A strain is abnormal stretching or tearing of a muscle or tendon. 2  Sprains and strains may be caused by repetitive activities or by a single event. 3  The diagnosis of a sprain or strain usually can be made after the healthcare professional takes a history of the injury and performs a physical examination.