Multiple sclerosis causes damage to which can lead to fatigue, trouble with vision, and cognitive disabilities.

Mieline, spinal cord or white matter of the brain

Explanation:

This chronic illness is an autoinmune sickness. The effect to attack different parts of the nervous system is that covers the nervous fibers and can not work correctly. the etiology is aasociated with genetic and environmental factors.

for me i have felt invisible when i was clearly struggling,or,i made a great achievement ,and,nobody took to notice me either because they just didn't see it,or,people just turned their back on me.i can see a person being invisible by choice,or,without choice like i did.the people who are invisible by choice don't try to talk to people,don't try to make friends,and,keep to themselves.i haven't been one of those people so i couldn't give you a reason.

hope this and can i get bainliest my dude : d