Last week, we exposed the flaws of a study published by a group from the Harvard School of Public Health claiming that girls who drink more sugar sweetened soda have their first period a few months earlier than those who don t. ACSH s Dr. Josh Bloom concluded that
It has been apparent for many years that the age at which girls reach puberty has been declining. For example, in 1920 girls reached puberty at 14.6 years, in 1950 at 13.1, and 2010 at 10.5, according to a report by Medical News Today on a new study published in the Journal of Clinical Endocrinology and Metabolism.