HEALTH: Tweaking our gut bacteria could help protect our brain from strokes. The two kilograms of bacteria in our gut seem to have all sorts of effects on us, as modern medical research is suddenly finding out. Experiments with mice showed that certain types of stomach microbes can actually help reduce the severity of strokes by 60%. The gut bacteria seem to be intimately linked to our immune system.

If our government didn’t spend so much money on global warming then it could spend more on medical research.