Answer:
Because they don't use a variety of muscles as much as they could by doing more sports so when they use the lesser used muscles, they could get hurt.
Explanation:
<span>True. Good mental and emotional health are crucial to making positive life decisions because you need to be in a good frame of mind to make such decisions. They may require a lot of thought, research and weighing up pros and cons. If you are stressed or upset you may not make the best decisions.</span>
Amino acids are the subunits of proteins. I hope this helps you :)
