I think it afects good because you hear cheering for you and you like the sound and you know that if you win you will be cheered on more ok now you know and know you can get off and do more important things ok.
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.
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
if you concentrate and don't swap mosquitoes you can do sports faster
it enhances it, makes you better, spares you from injury
because if you set a target you will want to reach your goal and do better in your performance
taking steroids makes u big