The facts
Scientists were particularly interested in a substance that you probably know from its typical rotten egg smell: hydrogen sulfide. This chemical compound is in the gases that we lose when burping or passing wind and that is exactly what it is about. Although it is toxic in high concentrations, your body continuously produces some of it in small amounts, and that appears to have an interesting effect on important brain processes.
The research
In the study, mice genetically modeled to exhibit Alzheimer’s-like symptoms were administered a compound that gradually releases hydrogen sulfide. After 12 weeks of testing, the researchers discovered something remarkable: the mice given the gas improved noticeably in memory and motor skills compared to the control group. Some even showed up to a 50% improvement in cognitive performance!
But be careful
Now before everyone starts breathing in the air at the crack of dawn, it’s important to emphasize a few things: The study was mainly in mice, people don’t always react exactly the same. Researchers also used a special chemical method to release the gas in a controlled manner, not literally by saying “smell your own fart”. Scientists see this mainly as inspiration for new therapies against neurodegenerative diseases, not as lifestyle advice for daily flatulence sniffing.
Still, it’s wonderful to think that something so mundane, and often derided, might one day contribute to better brain work. So the next time your nose catches a nasty smell, maybe your brain will be grateful?
