Should we talk about our health problem in a motivation letter??

Hello everybody,

First, thank you for this website and especially this forum: it has saved many people life and careers for sure !!

Second ( sorry for my English) , I'd like to ask about the mention of health problem in a motivation letter .Migraines had deeply disturbed my terms, especially the last one ( I returned my memory too late and my perfectionism doesn't help much...I have to restart my term)It may be necessary to take it into consideration by the jury but I don't want to look illish, someone who deals about its health to improve its chances to obtain a place.

My marks arent't very bad but not very high too ( average of 13/20) and I have tried to keep an extra-academic life ( trainees, being volunteer in associations) because I enjoy helping  the others.Now I am cured and did trainees before starting the new term.I expect to send my application at the end of the week.

I hope I have helped you to help me

See you guys!!!