I have noticed that sometimes when im talking to someone they could say something that is a little bit funny or make a small funny gesture and i would start laughing uncontrollably, i felt that that wasnt normal, i sometimes cant keep a straight face. Is it because my nerves are so bad and i am so stressed because latley i have been trying to keep away from stress. I suffer from anxiety and health anxiety but that along with the uncontrollable laughter, and the wierd feelings i have in my leg are symptoms of als and i read that people in their 20's is when they get als, this put me in that category, and this is my current disease that i think i have, do any of you have any of these symtpoms, especially the laughter, thanks in advance.