They often lived short lives, because they died.
They also suffered intense stigmatization.
I have witnessed seizures multiple times in my life, including one that was nearly fatal. It isn't something I'd wish on anyone, nor is it something I could ever forget. Suddenly someone you care about starts shaking, their eyes roll around, their jaw trembles, and they unresponsive.
I witnessed a young child having his first seizure. Luckily, he wasn't far from a hospital, otherwise the day might have ended very differently. I will never forget how terrible that day was. Never.
If I could have prevented it, I would have.
A relative of mine died in his youth because of epilepsy. I wish I could have met him. Instead, he died years before I was born. Before he died, he was treated badly by those who were ignorant. In those days, even someone of FDR's stature had to hide their disability because of all the stigma. My uncle's sisters rarely talked about all the ways they saw their brother mistreated, because it was just too painful.
They talked often about how much they missed their wonderful brother.