yes have to do drink some water with salt and lemon. and then exercise do not eat any food before exercise . to lose fats.

no leg traning not effect to your height in opinion so do not think it just exercise to maintain your fitness only shoulder exercise effect your growing height.

dear have good plane but do not eat diet or food before exercise because when you eating before exercise its use your diet not your body fats.

yes this is effect if you use high protein and powerful diet eat first time but not dangerous use it slowly and then it makes habit.