Weight Loss Boosts Immune System, Lowers Cancer Risk

Weight loss boosts immune system, reduces cancer risk, and improves overall health, a new study shows. Even losing a few pounds can reset the body’s immune response and lower the risk of serious diseases.

Researchers reported that weight loss makes fat cells healthier. In obese people, fat tissue creates harmful inflammation. This inflammation puts pressure on the immune system and weakens the body’s natural defenses.

Scentists from the University of Southern Denmark explained that when people lose weight, new fat cells form with less inflammatory activity. These healthier cells cause less damage to the body. This means people can see health benefits even if they do not lose all excess fat.

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For this study, researchers analyzed samples from patients who underwent gastric bypass surgery. These individuals lost between 20% and 45% of their body weight over two years. The changes in their bodies were significant.

The study found a clear drop in harmful immune cells. Many immune cell levels became similar to those seen in lean individuals. This shift showed a healthier immune balance.

The research, published in Nature Metabolism, also showed better blood circulation. Scientists observed fewer genetic errors, which may lower the risk of cancer.

Co-author Professor Susanne Mandrup said the findings prove that even modest weight loss supports better health. After weight loss, fat tissue begins to resemble that of lean people. This shows that the body does not permanently remember obesity as once believed.

Weight loss boosts immune system function and helps reduce the risk of cancer and other serious diseases, making even small weight loss efforts worthwhile.