Eating Peanuts May Lower Risk of Type 2 Diabetes, Study Finds

A recent study indicates that eating peanuts regularly may help lower the risk of developing type 2 diabetes. The findings were published in The American Journal of Clinical Nutrition.

Researchers found that people who consume peanuts have a specific pattern of blood fats that could explain the connection to diabetes risk. Body mass index (BMI), a measure of body weight relative to height, played a significant role in this association.

Peanuts are nutritious legumes that provide protein, fiber, healthy fats, vitamins, and minerals. Although they are often classified with nuts, they are more closely related to beans and lentils.

The research was led by Dr. Inés Domínguez-López and Professor Matthias Schulze from the German Institute of Human Nutrition Potsdam-Rehbruecke, along with scientists from the University of Barcelona. They examined how peanut consumption affects fats in the blood.

In their study, 63 healthy adults aged 18 to 33 participated in a trial where they consumed either roasted peanuts, peanut butter, or a control butter daily for six months. The researchers discovered a unique pattern of blood fats linked to peanut consumption, which they called the Peanut Lipidomic Signature (PeLS).

Further analysis of data from a long-term study involving over 27,000 participants showed that this peanut-related fat pattern was associated with a lower risk of type 2 diabetes. However, no similar link was found for heart disease. The researchers noted that body weight and metabolic processes related to body fat may be important factors in this relationship.

While the findings suggest that peanuts could be a beneficial addition to a healthy diet, they do not prove that eating peanuts directly prevents type 2 diabetes. More research is needed to explore how peanuts affect long-term metabolic health.