Scientists Link Air Pollution Exposure , to Early-Onset Puberty in Girls.<br />Scientists Link Air Pollution Exposure , to Early-Onset Puberty in Girls.<br />According to WHO estimates, exposure <br />to fine particulate matter causes 7 million <br />deaths worldwide every year. .<br />According to WHO estimates, exposure <br />to fine particulate matter causes 7 million <br />deaths worldwide every year. .<br />The American Lung Society reports that <br />one in three people in the U.S. lives in counties <br />with unhealthy air pollution levels.<br />Particulate matter contains microscopic <br />solid and liquid droplets that are so small <br />that they can be inhaled into the deepest <br />part of the lungs, enter the bloodstream <br />and reach many downstream target <br />organs, including the ovaries <br />and other reproductive organs, Robert Hood, postdoctoral trainee fellow at Emory <br />University's Rollins School of Public Health, via 'Newsweek'.<br />Particulate matter contains microscopic <br />solid and liquid droplets that are so small <br />that they can be inhaled into the deepest <br />part of the lungs, enter the bloodstream <br />and reach many downstream target <br />organs, including the ovaries <br />and other reproductive organs, Robert Hood, postdoctoral trainee fellow at Emory <br />University's Rollins School of Public Health, via 'Newsweek'.<br />According to a study published in the journal 'Environmental <br />Health Perspectives,' exposure to air pollution <br />may impact the age at which girls enter puberty.<br />We think that particulate matter may <br />primarily affect puberty onset by disrupting <br />the endocrine system, or more specifically<br />the hypothalamic-pituitary-ovarian axis <br />which is the key regulator of hormones <br />and reproductive development, Robert Hood, postdoctoral trainee fellow at Emory <br />University's Rollins School of Public Health, via 'Newsweek'.<br />Another related pathway is through <br />increasing the risk for childhood obesity, <br />which is one of the best-characterized <br />risk factors for earlier puberty onset in girls, Robert Hood, postdoctoral trainee fellow at Emory <br />University's Rollins School of Public Health, via 'Newsweek'.<br />Experts warn that early-onset puberty has been linked with hormone-related cancers, cardiovascular disease, hypertension <br />and metabolic syndrome, 'Newsweek' reports.<br />Experts warn that early-onset puberty has been linked with hormone-related cancers, cardiovascular disease, hypertension <br />and metabolic syndrome, 'Newsweek' reports.<br />Early-onset puberty has also been associated <br />with wide-ranging impacts on the reproductive <br />system, including earlier menopause
