Warm ups reduce the likelihood of joint and muscle injury as it begins to get the cardiovascular system working and pumps blood throughout the body. Cool downs are necessary because they assist in returning the body to its natural state, they reduce lactic acid levels and gradually bring the heart rate back down.
Answers:
They are consumed with alcohol which only adds to the risk of dehydration and overdose. Also, the dangers of taking drugs in clubs is increased due to the fact that many club drugs are laced with other substances.