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)
190 Followers. A. A sprain is an injury to ligaments, while a strain is an injury to muscle or tendon tissue. A strain is damage caused by an overstretched muscle or tendon, causing their fibers to be pulled apart and lose the ability to contract.The severity of injury depends upon the amount of tissue that is damaged.ne or more ligaments can be injured during a sprain. The severity of the injury will depend on the extent of injury to a single ligament (whether the tear is partial or complete) and the number of ligaments involved. A strain is an injury to either a muscle or a tendon.