Answer :
Overtraining is dangerous and risky because you can get sick or hurt; option B.
What is training?
Training is the process of teaching or learning of new skills or the improvement of already learned skills in order to be more proficient in using them.
Training usually involves repeated practice in order to master that particular skill.
However, training should be done moderately and within allowable limits to avoid injuries due to overtraining.
Therefore, overtraining is dangerous and risky because you can get sick or hurt.
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