Yes. It can also affect your hair, skin and nails due to your unhealthy diet, if you have one. You won't do as well as a fit person and you'll need to try to go down in weight to do well in your sport performance.
"seasonal". And it doesnt effect sport performance.
It can affect your sport's performance by the characteristics you have that affect play.
ALL DRUGS will affect your performance in some sort of way.
Food is your main source of energy. You need energy to perform any type of activity. It takes energy to put forth an effort in any sport. A poor diet can make you weak, and cause you to not be as focused.
One can easily faint
when you are older your body starts to fail you
pressure, diet, depression