There is no evidence that weight lifting stunts growth. In fact, bones can become stronger from the exercise. Science has proved that weight training will not stunt your growth even if you start at as young as 10 years old. The real danger is if your not supervised and have bad form injuries may occur.
It is advised that one does not do weight training until he/she is 16, for the purposes of proper growth and development during teen years
Eat less and be more active
No, lifting will not stunt your growth as the myth grows. But at such a young age you need supervision, and make sure you do it correctly. There are many benefits of weight training, even at this age.
That would depend on your family. You can do a growth chart for yourself by visiting wolframalpha.com. In the search bar on that site type: male growth chart, 17 years, 5'6", (weight in LB)
Possible. Are you on HRT? or just go off your hormones? That could be a reason for the weight gain too. Call your doctor.
A child has to be four - six years of age before being able to ride without a booster. It is weight dependant and most booster seats will tell you the maximum weight or age on the packaging.
All growth enhancers exhibit negative side effects, many of which will not appear for years. Some can be debilitating.
Why has there been a growth of the presidential administration over the years
Males typically cease growth in height when they reach about 21 years of age. This is because when this age is reached, all the cartilage of the epiphyseal plate in the bone is gone. Growth in body weight can change due to diet and lifestyle choices (e.g. exercise) but due to the cessation of growth, not much weight will be significantly gained to accomodate increases in height like it did before.
In our adolescence years we have a growth spurt, but during our juvenile years we only have a small growth spurt therefore we call it a "mid growth spurt" as it is not fully a growth spurt seen in that of adolescence.
Normaly at 12 you have at least 6 years of growth to go. and as you grow you will lose the pupy fat, especialy with a bit of exercise and healthy dirt,