As well as being calorie dense, a reason why ultra-processed foods can lead to weight gain & obesity is simply- they taste good and can facilitate overeating. Ultra-processed foods are engineered to have supernormal appetitive properties driving us to want to eat more.
Researchers investigated whether people ate more calories when exposed to a diet composed of ultra-processed foods compared with a diet composed of unprocessed foods..
It comes to no surprise that limiting consumption of ultra-processed foods and eating a diet mainly consisting of minimally processed or unprocessed foods may be an effective strategy for obesity prevention and treatment.
A simple strategy to help with weight loss is to have a diet which is lower in food reward and encourages overeating.
- Hall et al (2019).Ultra Processed Foods Cause Excess Calorie Intake and Weight Gain: An Impatient Randomized Control Trial of Ad Libitum Food Intake. Cell Metab.
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