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Some interesting research encouraging drinking during your workout has been published recently in the Perceptual and Motor Skills Journal.

Conducted by Biological Psychologist Kirsten D’Anci at the prestigious Human Nutrition Research Centre at Tufts University, the study found that athletes who consumed zero fluid during an exercise session reported higher levels of both anger and depression on a mood scale after the session.

After a training session they found that very slight dehydration of only 1-2 % of body weight (a 0.75 litre loss of fluid in a 75 kg adult) was enough to cause what the researches called a “a global negative mood” . The symptoms included signs of confusion, fatigue and decreased vigour (energy). These factors were 33% higher than the group that exercised and drank fluid through the session.

The cause? The researchers proposed that the dehydrated group actually experienced a very slight shrinkage of the brain cells. (Picture a plump green grape versus a dried sultana). This shrinkage causes a chemical imbalance to occur and this can increase irritability and potentially trigger headaches.

The solution: aim to consume 250 mls (a glass) of water or sports drink every 30 minutes of exercise and feel happier!

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Category : Sport-General / Sports Nutrition / Sports Psychology

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