The Science of Weight Loss

4 Calorie-Cutting Tips That Won't Leave You Hungry

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(Image credit: Sergey Galushko | Dreamstime)

To lose weight, most people need to cut calories. Eliminating 250 to 1,000 calories per day usually leads to about 0.5 to 2 lbs. (0.2 to 0.9 kilograms) of weight loss per week, experts say.

But often, only small changes to a person's diet can cut the needed number of calories and lead to weight loss, experts told Live Science. This is especially important because weight-loss experts emphasize making lifestyle changes that you can actually stick to over the long term.

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Rachael Rettner
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Rachael is a Live Science contributor, and was a former channel editor and senior writer for Live Science between 2010 and 2022. She has a master's degree in journalism from New York University's Science, Health and Environmental Reporting Program. She also holds a B.S. in molecular biology and an M.S. in biology from the University of California, San Diego. Her work has appeared in Scienceline, The Washington Post and Scientific American.