not having the facilites such as a gym or resources that let you train in your area
Steroid's
Alcohol consumption leads to nerve disorders and also Jaundice. Under such conditions the person becomes unfit for any stress-laid physical activities. So drinking alcohol does affect the sports training and performance
fasting affect performance
Some are a death in the family, a problem at home or financial problems
Inquire your local training offices about training that could work with your current work schedule. Various places offer time flexible course to attend, you should contact local training facilities and learn.
Your question is too muddled to answer, please think about it and ask it in a clearer way.
The factors that can affect student's board performance are as follows:personal factors ( age, gender), school factors( services, facilities ), teacher factors (teaching methodology)and environmental factors.
Medical history can have a huge effect on exercise and training fitness can be inherited training can only be done to the level passed through the generations.
Practice helps a lot because after you do the same stuff over and over again it starts to come automatically.
If you have dehydration, you become lightheaded and sometimes black out so it could make you lousy in the sport or the sports training.
It is possible for anxiety to affect a student's performance. It could affect their ability to concentrate.
ALL DRUGS will affect your performance in some sort of way.