Answer:
Your vascular system, your endocrine system, and your nervous system
Explanation:
Answer:
Don't Smoke
Avoid Exposure to Indoor Pollutants That Can Damage Your Lungs
Minimize Exposure to Outdoor Air Pollution
Prevent Infection
Get Regular Check-ups
Exercise.
Explanation:
Simple fix don't eat skittles before track and take some kind of gas relief I asked my dad cuz he is a doctor and that's what he said so do it at your own risk
Populations with poorer economy's have bad health because they can't afford health care.So somewhere like the US you would find more healthy people than you would in Africa