Plus workout and healthy eating

Engage in sports at school, cut down on fizzy drinks & junk food & also drink a lot of water. Most people are/were chubby around puberty myself included

Yes it can but you also need to charge your eating plan eat lot of veggies and fruit avoid starch, it low fat and leave cheap chips you need to buy most of stuff with low fat it has help me alot

It can reduces the chances if being fat.

yes