How much weight you gain may depend on when you eat, according to a new study that looked at the timing of meals in mice. Scientists at Northwestern University fed two groups of mice the same amount of high fat food, but one group ate during regular waking time, while the other ate during what would normally be their sleeping period. The second group gained twice as much weight as the first group!
“For a long time we questioned whether or not eating patterns had anything to do with gaining weight,” says obesity expert Dr. Louis Aronne of NewYork-Presbyteria n Hospital/Weill Cornell Medical Center. He points to previous observational research suggesting that people who skip breakfast in favor of massive meals in the evening hours tend to be overweight. “We had no proof that it’s a real problem,” says Aronne, who was not involved in the study. “If an experiment like this is replicated in humans, it might clarify for us just how much time of day matters when it comes to obesity.”
It is not yet clear whether the difference is due to hormone production or the disruption of sleep patterns.
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