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...long time we questioned whether or not eating patterns had anything to do with gaining weight," says obesity expert Dr. Louis Aronne of NewYork-Presbyterian 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...

Author: /time Magazine | Title: Midnight Snacks: More Fattening Than You Feared? | 9/5/2009 | See Source »

...salient issue, says study co-author Fred Turek, may be the disruption of the body's internal clock, known as the circadian rhythm. Eating at inappropriate times may disturb the body's natural rhythm, setting off a string of metabolic reactions that ultimately lead to weight gain. "Because our bodies are naturally cued to eat at certain times of the day, dining at the wrong time might affect the body's ability to maintain its energy balance," he explains, meaning that our body starts to use its calories differently than it normally would. That in turn could cause fluctuations...

Author: /time Magazine | Title: Midnight Snacks: More Fattening Than You Feared? | 9/5/2009 | See Source »

...while these hormones have been successfully manipulated in lab mice to prompt weight gain or loss, the same has not been true in humans. Experiments in which obese human patients were injected with leptin have failed, because the metabolic pathways that control hunger and fullness in people are far more complex than they are in mice. Knocking out one of, say, 50 such pathways through drug treatment just means the other 49 will eventually pick up the slack, says Dr. George Fielding, a bariatric surgeon at the NYU Program for Surgical Weight Loss...

Author: /time Magazine | Title: Midnight Snacks: More Fattening Than You Feared? | 9/5/2009 | See Source »

Although the new findings in Obesity cannot yet be applied outside the lab, other research supports the idea that the disruption of sleep (that includes standing in front of the fridge eating chicken at 2 a.m.) may have something to do with weight gain in humans. Studies of night-shift workers like nurses and factory workers indicate they are at higher risk for being overweight than their daylight counterparts, partly due to poor sleep routines and partly because of their tendency to eat heavy meals late at night, says Aronne. Other studies show that people who get a full eight...

Author: /time Magazine | Title: Midnight Snacks: More Fattening Than You Feared? | 9/5/2009 | See Source »

Until future studies in humans bear out Turek's preliminary findings, Aronne suggests that avoiding post-dinner snacking is probably still a good strategy, regardless of size. Not only could it help prevent extra weight gain, it can also lower the risk of gastroesophageal reflux and other digestive problems that may compound sleep problems. Aronne further recommends taking well-balanced and evenly spread meals throughout the day, rather than consuming 50% or more of your daily calories at dinner or afterward, since that may also lead to unwanted pounds...

Author: /time Magazine | Title: Midnight Snacks: More Fattening Than You Feared? | 9/5/2009 | See Source »

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