Leg size may be a more accurate indicator of risks than the waistline. We know having a large waistline is unhealthy. But larger thighs, it appears, may protect against heart disease and premature death. A study published on BMJ.com, the website of the British Medical Journal, found that men and women whose thighs are less than 23.6 inches have a higher risk of premature death and heart disease compared with those with thighs exceeding that size. Having thighs that are even bigger, however, confers no added benefit. The study is the first to suggest that thigh size matters. The measurement...