Health Studies Hub
Your go-to source for daily breakdowns of the latest health, fitness, and nutrition research.
Your Gut Bacteria May Be Making You Fat—Even On a Healthy Diet.
A July 2025 study from researchers in Japan found that certain gut bacteria may block weight loss—even when you eat well. People who ate a healthy diet but failed to lose weight had higher levels of Collinsella, a microbe linked to obesity and fat storage.