I don’t think you want your health being evaluated by a bunch of high schoolers.
If you’re concerned ask your doctor.
Well your body is affect by leukemia because once it starts taking out the white blood cells your body becomes weaker because there is nothing to fight off sickness so there really is no part of your body that leukemia does not effect.
Increased height
increased muscle mass
increased hair growth
Playing sports / games outside (encouraging other teens to play with them)