Gut Bacteria Balance is in Flux

The 100 trillion bacteria that live inside the human digestive tract are the subject of many studies currently underway. Researchers the world over are trying to figure out which microbes constitute a “healthy microbiome,” which microbes protect our health, and which...

Girls and Boys Entering Puberty Younger than Ever

We’ve known for quite a while now that girls are beginning menstruation at a younger age than ever. I’ve blogged about the link between increased exposure to hormone-disrupting chemicals and decreased age of menstruation in girls before. It looks like girls are not...