Body fat linked to late puberty in boys

By Janet Raloff, 16:28 PM February 2, 2010

Boys can take a lot of ribbing from their peers for not being macho enough. A new study now indicates that it can take longer to begin transforming into a man if a boy starts out fat.

Back in 2007, pediatric endocrinologist Joyce Lee and her colleagues linked obesity in girls with an earlier-than-normal onset of puberty. Curious as to whether this trend was gender-specific, the University of Michigan physician and her coworkers pored over data that had been collected almost annually throug...

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