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Blood group weight loss is a pseudoscience From Journal of the American Medical Association

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The following is the Blood group weight loss is a pseudoscience From Journal of the American Medical Association recommended by recordtrend.com. And this article belongs to the classification: Life data.

A new study examines data from a clinical trial investigating the beneficial effects of a plant-based diet and finds that a person’s blood type has no effect on weight loss or cardiac metabolic health of dietary interventions. Blood group weight loss was popularized by natural therapist Peter d’adao in the mid-1990s. Different dietary interventions were proposed according to a person’s blood type. For example, group O is considered the oldest ancestral blood group, favoring a paleo style diet with high animal protein. Type A is considered to be a farming blood group, which is most suitable for vegetarians without red meat.

Peter Desmond’s eat right for your type has sold millions of copies, and dietary interventions are still very popular today. However, there has never been any scientific evidence to support the idea of a blood group based diet.

The latest evidence to debunk this ongoing pseudo scientific diet fad comes from a recently completed randomized clinical trial investigating the metabolic effects of a low-fat vegetarian diet. More than 200 overweight subjects were recruited and randomly assigned to an intervention group to eat a low-fat vegetarian diet for 16 weeks, or a control group without dietary changes.

The main finding of the trial, published online in the Journal of the American Medical Association, was that plant-based dietary interventions increased postprandial metabolic activity by about 20%. Of course, this led to increased insulin sensitivity and weight loss compared to the control group.

A second analysis of the newly published trial data examined the effect of the intervention according to the blood type of the participants. If the blood group diet recommendations are true, then the dietary interventions studied in the trial should be more beneficial to blood group A subjects than to blood group O subjects.

“We found no difference in blood types,” explains Neal Barnard, author of the new study. “Although the blood group diet says that a plant-based diet should be better for type a blood and less beneficial for type O blood, it turns out to be good for all blood types, and there is no evidence that meat is good for anyone.”

In addition to weight loss, measures such as blood lipid levels and blood glucose control were also examined. No significant differences were found between any of the different blood group groups, and dietary interventions were found to be equally beneficial regardless of blood group.

“Our research shows that all blood groups benefit equally from a vegetarian diet based on consumption of fruits and vegetables, beans and whole grains, with a special focus on weight loss and heart metabolic health in overweight adults,” Barnard added.

Although the trial investigated only one specific dietary intervention (low-fat and Vegetarian), it was certainly not the first study to show that a blood group diet did not work. A systematic review in 2013 found no evidence in any scientific literature that certain blood groups benefit from specific dietary strategies.

The new study was published in the Journal of the Academy of nutrition and dietetics.

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