Antibiotics in infancy may cause obesity in adults
Altered microbiome may prompt fat gain later
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/08/ti_FemaleMRI_feat.jpg?fit=860%2C460&ssl=1)
PLUMP UP Mice treated as babies with low doses of penicillin (right, MRI image of an animal’s abdomen shown) nearly doubled their body fat when fed high-fat diets as adults. Mice that didn’t get antibiotics as babies (left) didn’t pack on as much fat on the same diet.
L.M. Cox and Sungheon G. Kim