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Pulling an all-nighter could be just as damaging to your immune systems as physical stress, according to a new study.

The immune system is altered in similar ways by lack of sleep and physical stress, pointing to a possible link to chronic diseases like obesity and diabetes.

Read the articlehttp://www.mensfitness.com/leisure/sleep-deprivation-affects-immune-system-li..." title="menshealth" target="_blank"> here