1 Children gain on average between 30-40 pounds (13.5-18.0 kilograms) between age 11-14. 2  A child can gain 20 pounds (9 kilograms) or more in one year. 3  Girls gain weight first as a layer of fat all over the body and then more around breast, hip and thighs.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.
If a person's immune system becomes unable to prevent the bacteria from growing, the TB becomes active. Of people who have latent TB, 5% to 10% (1 to 2 people out of 20) will develop active TB at some point in their lives. 1
TB is a contagious and often severe airborne disease caused by infection with Mycobacterium tuberculosis (Mtb). TB typically affects the lungs, but it also can affect any other organ of the body.It is usually treated with a regimen of drugs taken for 6 months to 2 years depending on the type of infection. disease caused by a specific type of bacteria that spreads from one person to another through the air. Tuberculosis can affect many parts of the body, but most often affects the lungs. PubMed Health Glossary. (Source: NIH-National Cancer Institute).