By Newspot Nigeria Science Desk
In a twist that might unsettle the faint-hearted, scientists are taking a closer look at parasitic worms—not to exterminate them, but to learn from their metabolic magic. A groundbreaking line of research is revealing that certain worm infections may actually help fight obesity, type 2 diabetes, and chronic inflammation, according to recent studies and clinical trials reported by Knowable Magazine.
One key study, led by Bruno Guigas of Leiden University in the Netherlands, showed that mice fed fat-rich diets and then infected with Schistosoma mansoni worms became leaner and had better blood sugar control than their worm-free peers. “The results were quite spectacular,” Guigas noted. Follow-up work even demonstrated that crushed worm eggs alone could reproduce some of these benefits—no live worms needed.
The secret lies in a fascinating scientific field called immunometabolism, which explores how the immune system and metabolism interact. Normally, obesity and diabetes promote an immune response called Th1, which worsens inflammation and insulin resistance. But worms—thanks to millions of years of coevolution with humans—trigger a different immune response (Th2) that calms inflammation and stabilizes metabolism.
In Australia, immunologist Paul Giacomin and his team took the research a step further. They launched a clinical trial in 2018, applying hookworm larvae onto patches worn by 27 obese individuals with insulin resistance. After 12 months, participants with worms showed reduced insulin resistance and better fasting blood sugar levels, with some losing significant weight.
Remarkably, when the study ended, most participants declined deworming, opting to keep their wormy companions due to the perceived health improvements.
Still, scientists like Guigas and Giacomin emphasize that infecting millions of people with parasites isn’t a viable public health solution—side effects like nausea and iron loss remain concerns. Instead, the goal is to develop worm-inspired therapies, isolating the specific molecules that bring benefits without the need for actual parasites. Giacomin’s startup, Macrobiome Therapeutics, is already working on such next-generation treatments.
As strange as it sounds, these “friendly foes” could shape the future of medicine. From controlling autoimmune diseases like inflammatory bowel syndrome to redefining obesity treatments, helminths are no longer just pests—they may be metabolic allies.
🔬 In a world battling the twin epidemics of obesity and diabetes, even a worm might hold the key to relief.
Newspot Nigeria will continue monitoring this fascinating intersection of parasitology, immunology, and public health as science works toward turning wrigglers into wonder drugs.









