My Hands Smells Weird All Day. I Have To Wash

My hands smells weird all day. I have to wash it several times to take that smell off but after several minutes, it goes back. I didn't have this until I think July of last year when I went through a bad break up and decided to eat less and smoke more. I know it's bad but I wasn't thinking straight that time. Am I in trouble now? Will this weird smell not go away anymore? Is it because of cigarettes? I haven't been smoking a lot since October, by the way, hoping that it would make the smell disappear. Now I really feel self conscious and would rather stay at home that spend time with my friends. Please help. :'(