The bone mineral density (BMX) of a human body is measured by Dual-Energy X-ray Absorptiometry (DEXA). The method involves passing X-rays through bones. The denser the bone, the more it will resist the rays. This will tell the bone mineral density. This method is widely used to diagnose osteoporosis, a condition where bones tend to be very weak and brittle. It is said that the DEXA scan is...