Healthy Fats Not Linked to Weight Gain

According to a new study, “Eating a non-calorie restricted Mediterranean diet high in vegetable fats such as olive oil or nuts does not lead to significant weight gain compared to a low-fat diet, according to a large randomized trial. The study suggests that current health guidelines that recommend a low-fat, low-calorie diet create unnecessary fear of healthy fats present in a Mediterranean diet, which have known health benefits.”

Furthermore, “Accumulating scientific evidence suggests that total fat content is not a useful measure of harms or benefits of food, and that fats from nuts, fish and phenolic-rich vegetable oils are healthier than fats from meat and processed foods.”

Also, “Perceptions of all fat as unhealthy have resulted in decreased fat consumption in the US population, but the epidemics of obesity and diabetes have continued to grow. Numerous studies have shown that the Mediterranean diet, which includes high levels of vegetable fats (e.g. olive oil, nuts), is linked to reduced mortality, cardiovascular disease and cancer, but fears of eating all fat mean that a low-fat diet continues to be recommended as a means of weight loss.”

The study found, “On average, participants in all three groups lost some weight with the greatest weight loss seen in the Mediterranean diet with olive oil group (0.88 kg weight reduction in the olive oil group, compared to 0.60 kg for the low-fat diet group and 0.40 kg for the nuts group). There was an increase in waist circumference in all three groups with the greatest increase seen in the low-fat diet group (1.2 cm increase for the low-fat diet group, compared to 0.85 cm for the olive oil group and 0.37 cm for the nuts group).”

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The Lancet. “Mediterranean diet high in healthy fat does not lead to weight gain, according to randomized trial.” ScienceDaily. ScienceDaily, 7 June 2016. <www.sciencedaily.com/releases/2016/06/160607094052.htm>.

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