HomeScience New York Times Some girls are starting to develop breasts as early as age 6 or 7. Researchers are studying the role of obesityPuberty Starts Earlier Than It Used To. No One Knows Why. chemicals and stress. Science New York Times Some girls are starting to develop breasts as early as age 6 or 7. Researchers are studying the role of obesity Puberty Starts Earlier Than It Used To. No One Knows Why. GadgetGuru January 11, 2024 Science https://ift.tt/oFns9Qw via IFTTT Tags chemicals and stress. Science New York Times Some girls are starting to develop breasts as early as age 6 or 7. Researchers are studying the role of obesity Newer Older