![](https://www.skeptic.com/wordpress/wp-content/uploads/AI-microbiome-Illo-by-Ruslan-Batiuk-1120x747.jpg)
The human colon may represent the most biodense ecosystem in the world. Though many may believe that our stool is primarily made up of undigested food, about 75 percent is pure bacteria—trillions and trillions, in fact, about half a trillion bacteria per teaspoon. Do we get anything from these trillions of tenants taking up residence […]
![](https://www.skeptic.com/wordpress/wp-content/uploads/Leroy-Hood-and-Nathan-Price-359-2x.jpg)
Hood, Price, and Shermer discuss: why we age and die • sickcare vs. healthcare • the 10 most popular drugs in the U.S. work for only about 10% of treated people • chronological age ≠ biological age • life expectancy, life span, longevity, and healthspan • why eliminating all cancers would only increase average life span by 3 years • genome vs. phenome • gut biome • optimizing brain function • brain plasticity • sleep, nutrition, exercise • Alzheimer’s • AI and…