I would say B for the first one. You're not given much information other than the fact that Justin isn't very fond of exercising. High cholesterol is mainly due to eating fatty foods which this statements says nothing about that. The answer to the second question will most likely be increased ligament mass (assuming he is doing it the correct way). Hope this helps!
No this is not true if you start to exercise after a heart attack it can help prevent any other heart attacks
Yeah I think they are called retina specialists
