Boys who enter puberty at an early age are more likely to develop type 2 diabetes as adults than later developing boys, irrespective of their weight in childhood, according to an observational study following more than 30,600 Swedish men born between 1945 and 1961, published in Diabetologia.
source https://www.lifetechnology.com/blogs/life-technology-medical-news/study-suggests-men-more-likely-to-develop-type-2-diabetes-if-they-go-through-puberty-early