True the heart like any muscle strengthens when you use it
More than 4 million Americans take opioid prescription pain relievers for nonmedical uses. More than 400,000 Americans use heroin, a powerful opiate drug. Many people report misusing prescription opioids before starting to use heroin. Each year, more than 28,000 Americans die from opioid overdoses.
OK so based on the options given I would like to say that the answer is A. because if you think about it logically it is the only answer that makes sense.
This is true. if you were not wearing proper equipment you could get seriously injured