Restrictive keto and paleo diets can do more harm than good to the gut

PALAISEAU, France Popular weight loss plans, such as keto and paleo diets, can help you lose weight, but they can also cause long-term health problems. A recent study suggests that low-carb diets can harm a person’s intestinal health on a diet.

The gut is home to billions of microorganisms involved in important bodily functions, from immunity to communication with the brain to regulate your mood. Your diet shapes the composition of your gut microbiome. Previous research on the gut microbiome has shown that unhealthy, processed foods, as well as animal-based diets, reduce the diversity of gut bacteria, leaving “bad” bacteria that it can make you sick.

American diets have the poorest results

Studies also show that people with diverse intestinal microbiomes are more likely to have a balance of plant-based foods, along with meat and dairy products. daily diet.

“This study, along with previous research, confirms that healthy intestinal microbiota it is based on a balance between all food groups, without restricting high-fiber foods or animal products, such as fermented dairy products. At Danone, this approach is fully in line with our portfolio of plant and animal products, “said Miguel Freitas, PhD, Danone North America’s Vice President of Health and Science. media release.

The international team says the typical American diet resulted in poorer health outcomes. This “Western” diet often involves excessive consumption of sugary drinks and processed foods. There is also less consumption of plant-based foods and dietary fiber.

The poor health of American diets reflects the low profile of diversity in the gut microbiome. In addition, people who followed restrictive diets focused on a diet low in carbohydrates, animal products, or starch-free vegetables had the least amount of Bifidobacterium, a “good” type of bacteria in the gut.

Do plant-based diets also lack diversity?

The results also show a reduced intestinal diversity in both the American and herbal diets, suggesting that low levels of meat and dairy products also contribute to poor intestinal health. Although the consumption of fruits and vegetables causes variations in the intestinal microbiome, the results suggest that the role of animal proteins in intestinal health is undeniable.

The authors of the study conclude that having a rich diversity of foods in your daily diet is more important for intestinal health rather than focusing on individual components of a diet, such as protein or fiber.

The findings appear in the American Journal of Clinical Nutrition.

Restrictive keto and paleo diets can do more harm than good in the gut

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