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New Study Suggests Weightlifting Changes Brain as Well as Muscles

VOA News

   A new study published this week in the Journal of Neuroscience suggests
   weightlifting affects a person's brain weeks before there is a
   noticeable change in muscles.

   The study, conducted by researchers at New Castle University in
   northeast Britain, used macaque monkeys, whose brain systems are
   similar to humans in regardto movement.

   The researchers trained the monkeys to pull a weighted handle with one
   arm by rewarding them with food. Over the course of three months,
   researchers increased the resistance of a weighted handle week by week.
   The monkeys completed daily strength training sessions, including 50
   weighted pulls (moving the handle at least 4 centimeters).

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