A recent study in Germanylooked at 4 different groups of men and women to see the difference, if any, in the life span of their cells.  The groups were: Young and sedentary Middle-aged and sedentary Professional runners in their 20s (45 miles/week) Middle-aged, serious, long-time runners (50+ miles/week) Even on the outside, the older runners [...]

Consider the following: You arrive at a party and discover someone wearing a piece of clothing identical to yours.  You are eating in a restaurant with some friends when the waiter accidentally spills a drink on you. An old friend calls you in the middle of the night, just to talk.   Do you:  a) [...]