Answer:
(C) Janine should increase the intensity or length of her exercise programs because it is more difficult to maintain high fitness levels as you age.
Explanation:
The text states that, Janine has been very healthy during the time she has been an adult. If she wants to maintain this fitness level throughout her middle adulthood, she should work even harder and excerise for more hours daily. Doing so will increase her ability to stay healthy long term and become stronger each time she works out.
Since smokers are not allowed to smoke within restaurants, office buildings, airports, schools, and many other places, far fewer people are being exposed to secondhand smoke. People with asthma and allergies to cigarette smoke are now able to breathe more easily as well. Children are no longer being exposed to secondhand smoke in spaces outside of their homes.
I believe that Alzheimer’s matches with 8, arthritis matches with 4, leukemia matches with 1. I’m not sure about the rest and i’m sorry.. hope i helped in the least!