<span>A torn rotator cuff is the answer</span>
I'm pretty sure the answer to this question is choice D.
Explanation:
How Age and Exercise Affect Your Max Heart Rate. The relationship between the heart and exercise has been studied for more than six decades and the research is clear: Max heart rate—the highest heart rate you can safely hit during exercise—decreases with age regardless of lifestyle or level of fitness.
Reusing or sharing needles, really anything that can be spread through blood and drugs.. i hope this helps and sorry its so brief.