Look for a second line at the front of the skull -- the coronal suture – which fully fuses by age 40. Study the teeth. If they're worn down it could be a sign of a poor diet. If they're well ...

Look for a second line at the front of the skull -- the coronal suture – which fully fuses by age 40. Study the teeth. If they're worn down it could be a sign of a poor diet. If they're well ...