Puberty occurring earlier in boys: study
It may be the result of increased childhood BMI, says author
![Two teens](https://www.ausdoc.com.au/wp-content/uploads/2022/08/teen_boys_dreamstime_s_118758591-2.jpg)
Boys are reaching puberty younger, according to the results of a large Swedish study.
Researchers used growth data in men born between 1947 and 1996 to investigate whether there is a trend for earlier pubertal timing.