1 A child can gain 20 pounds (9 kilograms) or more in one year. 2  Girls gain weight first as a layer of fat all over the body and then more around breast, hip and thighs. 3  Girls appear âfatâ before curves appear.s an adolescentâs growth velocity (speed) increases, they physically begin to thin out and the weight gain is adjusted on their bodies. Statistics on teenage height growth patterns: 1  The beginning of growth velocity is approximately 9 years old for girls and 11 years old for boys. 2  The growth spurt lasts 2-3 years.
Gravesâ disease is a disorder of the immune system. It is not known why the lymphocytesâwhite blood cells involved in the body's protective defensesâbegin to attack the body's own tissues. When lymphocytes attack the thyroid gland, it responds by producing too much thyroid hormone.ravesâ disease is a disorder of the immune system. It is not known why the lymphocytesâwhite blood cells involved in the body's protective defensesâbegin to attack the body's own tissues. When lymphocytes attack the thyroid gland, it responds by producing too much thyroid hormone.
Causes of Graves' disease. Unfortunately, scientists are still yet to pinpoint an exact cause of Graves' disease. We know the body's immune system is somehow tricked by the antibody associated with Graves' disease to attack the thyroid gland, causing hyperthyroidism.There is research to suggest Graves' disease may be caused by a combination of genetic and environmental factors. Graves' disease is the most common cause of hyperthyroidism. 2  The disease is also the most common type autoimmune disease in the US. 2. 3  It is more common in women under the age of 40, but can also be found in men. 4  Graves' disease affects an estimated 2-3% of the world's population.