Training and concentration keep focused and stay in task
Answer:
Why is it dangerous to listen to an MP3 player at excessively loud volumes for extensive periods? The mp3 player can be played above 85 decibels, which would cause damage to the hearing receptors, leading to (permanent)hearing loss.
One of the major things it helps with is decreasing stress and getting oxygen flowing through your body
When someone abuses the use of steroid they can expect these following these to happen to them (The most common ones): Heart attacks and liver cancer, and acne and breast development in males.