People who take just 15 minutes a day to write down what they eat are more likely to succeed at losing weight, according to a new study published in the journal Obesity. Researchers looked at 142 people enrolled in a weight-loss plan that required them to follow a low-calorie diet, exercise for 200 minutes a week and track how much they eat for six months. Those who tracked what they ate eat least twice a day were more successful at losing weight than those who tracked only once a day. Those who did it three times a week lost 10 percent of their body weight.
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