Time frame? At least a couple years. I've had the muscle twitching the longest. But the weakness is still fairly new. And then, of course, all the other symptoms.
I am a 33 year old male. I have always been healthy and athletic. That is, until a few months ago. For the past year, I have been experiencing constant muscle twitching in both arms and both legs. A few months ago, I was just laying in bed when my entire left arm started tingling and theN went...