Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Health Tip: Straining the Hamstring
(HealthDay News) -- A hamstring injury can sideline an athlete or exercise buff for quite a while.
While anyone can pull a hamstring, some people are at greater risk of the injury. The American Academy of Orthopaedic Surgeons offers this list:
Young athletes who are still maturing.
Many professional athletes, including runners, football players, skaters and soccer players.
People who run or sprint for exercise.
Dancers.
Seniors who play sports or who take frequent walks.