Numbness etc in left arm..?!

I used to be incredibly strong but since when I reached around 14 or 15, I started getting tremors in my hands!. Whenever I try and grasp something really tight, my hands shake and I can't hold onto things!. Also, along with this, I get pins and needles REALLY easily, especially in my left arm!. Lately I've noticed that there are times when I move fingers on my left hand, they kind of lock in place and I have to wait 10 or so seconds before I can move them again, but when I can, it's really slow and it's like something's weighing it down!. I know these sound crazy and I can't really describe them, but yeah!. I told my doctor about the hand things but she didn't say much about it!. I've been watching how my symptoms have grown in the last few months and I'm really kind of worried because as time progresses, they're getting worse!. Also, I get weird twitches!. In my right leg and hand mainly, and also in my eye!. The top of it I have this weird feeling like a twitch every so often!. Does anybody know what this could be!?Www@Answer-Health@Com

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