A Nigerian woman was recently treated in India for hip joint pain due to severe rheumatoid arthritis. In fact, most of the joints in her body - hip, knees, spine - had been replaced by metal implants! "My body is all metals, from the spine to the hip and knees. After a series of surgeries, I can now walk and lead an independent life," says Margaret, 65, after the orthopedic surgeries. She underwent 5 surgeries...