Middle-aged and elderly people are prone to hand tremors, cramps, and numbness in their feet, do you know what medicine to take to work? Middle-aged and elderly people are prone to hand tremors, cramps, and numbness in their feet, do you know what medicine to take to work? Middle-aged and elderly people are prone to hand tremors, cramps, and numbness in their feet, do you know what medicine to take to work?