A new study finds that exercise not only causes muscle fatigue but could also affect the brain. The authors conclude that overexercising might reduce our capacity to make decisions.

A recent study concludes that intensive exercise may affect cognitive abilities.

Researchers at Hôpital de la Pitié-Salpêtrière in Paris, France, have found that overtraining syndrome may affect the brain, as well as the rest of the body.

Overtraining syndrome is a form of burnout in endurance athletes. It occurs as a result of intensive physical training overload.

The authors believe that this form of fatigue may involve some of the same neural circuitry as the fatigue that follows intensive intellectual work.

Scientists have already found that fatigue following excessive mental effort can affect cognitive control.

Cognitive control, sometimes called executive control, refers to a person's ability to change their behavior and thought processes to achieve their goals.

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