Summary:

• **What the scientists studied**: Researchers gave mice small amounts of psilocybin (a substance found in certain mushrooms) while feeding them unhealthy food that usually causes weight gain and diabetes. They wanted to see if psilocybin could help prevent these health problems.

• **What they discovered**: The mice that received psilocybin gained less weight and had better blood sugar control compared to mice that didn't get it. This suggests that psilocybin might help protect the body against becoming overweight and developing diabetes-like conditions.

• **Why it matters**: These findings are exciting because they show psilocybin could potentially be used as a medicine to help people stay healthier, though scientists need to do more research in humans before we know for sure if it would work the same way.