Anorexia will negatively affect sports performance. A lack of proper nutrition and hydration can lead to fatigue as the body does not have enough fuel to perform at its best, dehydration, loss of focus, reduced motor skill capabilities, and a high tendency to feel dizzy or faint.
Wearing jewelleries might affect sports performance because you might hit someone with that jewellery
Badly
if you concentrate and don't swap mosquitoes you can do sports faster
Steroid's
Harder to breathe.
Anorexia can (and does) affect all systems and parts of the body.
It affects your concentration and the performance. If you're very anxious, you can not focus or concentrate on work, school, and sports.
Well if you are drunk then it can affect your co ordination and spatial awareness
pressure, diet, depression
it enhances it, makes you better, spares you from injury
if you concentrate and don't swap mosquitoes you can do sports faster
because if you set a target you will want to reach your goal and do better in your performance