A Fitbit could possibly help. Keeps track of steps and heart rate
The main thing would be to not smoke. But also if you are around someone who smokes, try to limit interaction with them while they are smoking. second hand smoke can be just as deadly. Also doing things like using smoke free facilities, like smoke free hotel rooms and restaurants.
Fencing (sword fighting) can impact a child's self esteem by teaching them chivalry and respect, as well as exercising them, a parent's role is simply to support them, same can apply to Baseball.
Swimming is an efficient way to burn calories. A 160-pound person burns approximately 423 calories an hour while swimming laps at a low or moderate pace. That same person may burn up to 715 calories an hour swimming at a more vigorous pace.
Also Swimming cardio is one of the most effective ways to lose weight including your belly fat. This requires you to keep swimming for 15-20 minutes at the time while maintaining your heart rate levels in the particular zone that we call – fat burning zone.