Infertility, impotence and sexually transmitted infections
Answer:
Explanation:1. Teens are most concerned with Muscular strength. They focus this because it is the most flashy thing to work on.
2. I feel like teens should worry about cardiovascular endurance. They should worry about this the most so they can have more endurance and can go through more stress.
3. They can get this by doing far distance running.
High blood pressure, height blood sugar, heart attack, sometimes cancer, obesity, liver failure. The list can go on.
I check at first and it was 30 second but am sorry the accurate answer is weekly or monthly
