Answer:
C <em>cycling</em>
Explanation:
I'm saying cycling because everyone learned how to ride a bike at a young age and even if you don't know how to ride, you can put on training wheels. (lol). Hiking could be another good alternative but in case you get worn out, theres no place to call to get picked up because of bad service.
1. Vaccines
2. Safer and healthier foods
3. Control of infectious diseases
4. Safer workplaces
5. Mental illness
6. Improving healthcare delivery
7. Premature mortality
8. Diabetes
9. Obesity
10. Aging population
11. Disability
12. Unintended pregnancies
13. Use of tobacco or other drugs
14. Cancer
15. Multimorbidity
Correct answer it answer is B I think