What’s the context behind the question?
D. hypothalamic resistance
Answer:
Once the ball is back into play, the goalkeeper may not touch it with his hands (or arms) until another player has touched the ball; however, he can play it at any time with his foot, etc. The goalkeeper must not delay putting the ball into play after control is established.
No they arent safe to some extent, Yes, famous baseball players have taken steroids one of the reasons they may have been so good, and im not sure about a side affect, they may get addicted, then over use it, and that could have a side affect