Withholding some valued privileges is one method of child discipline.
Another form of punishment could include grounding whereby the child will be restricted from going anywhere or doing anything.
Grounding can also involve isolation, the child is made to stay away from everyone else.
Natural consequences can also come into play, this means that if the child is always late for breakfast or dinner, then they will not eat, instead, they will be made to stay hungry.
The brain gets used to you taking the drug. Some drugs will affect your neurotransmitters, or messages that get sent to your brain that regulates how we think or feel. You will eventually become dependent on the drug so if you stop you might feel sick or go through "withdrawal". Which people dont want to go through so they will continue to take the drug.
Dangerous conditions influencing sport injuries include all answers which you've mentioned (overuse, overexertion, and incorrect technique). It doesn't, however, include practicing and drills - d.
Practicing and drills is the thing which would help us become more profficient at a certain task and eventually sport through it.