Q: I am writing to inquire about a medical condition that I have had for more than 15 years with no diagnosis determined. I’m a 63-year-old African-American female in good health except for allergies. The older I get, the worse the problem. I have constant cramping in my legs, thighs, toes, hands, rib cage and arms. Lately, most of my cramping is happening at night when I go to bed. Both legs …