They are there because people believe they are from not enough sleep but some people get them from genes. Genes are things you get from your parents.
Hope this helps!!
True, team sports can positively effect both skill and health related fitness
I think youre right but im not positive
I dont get what your question is lol im joking i dont know the answer
Acute - sharp or sever in effect; intense. Example: acute pain; acute sorrow.
Chronic - presenting for a long time; repetitive. Example: Chronic back pain.