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Channel: Early Puberty & Problems in Sexual Development – National Center for Health Research
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Early Puberty in Girls

Based on a publication from The Ribbon, a newsletter of the Cornell University Program on Breast Cancer and Environmental Risk Factors in New York States (BCERF), Vol 6, No. 1, Winter 2001.) Ten years...

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Circumcision: The Health Benefits and Risks

Circumcision, the surgical removal of some or all of the foreskin, is an important cultural and religious practice for many people around the world. Many think of circumcision as a routine procedure...

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Are Bisphenol A (BPA) Plastic Products Safe for Infants and Children?

Bisphenol A (BPA) is a chemical used to make plastics. It is widely used in sports equipment, water bottles, medical devices, and as a coating in food and beverage cans. The Centers for Disease...

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Chemicals and Genes Can Cause Birth Defect in the Penis

Hypospadias is a birth defect where the urethra is located on the underside of the penis, instead of the tip of the penis. Since the urethra carries urine and semen out of the penis, this causes...

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Phthalates and Children’s Products

Phthalates are synthetic chemicals found in every home, in plastic toys, personal care products such as shampoos and lotions, vinyl floors, and shower curtains. They are also found in some medical...

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Do Beauty Products Affect Hormones, Early Puberty, Birth Defects, and Other...

Medical experts wonder why so many third grade girls have already developed breasts and pubic hair. Early puberty in boys is less obvious but also of concern. There is mounting evidence that suggests...

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NCHR Testifies Against New Testosterone Pill

Thank you for the opportunity to speak today. I am Dr. Danielle Shapiro, I am a physician and senior fellow at the National Center for Health Research. Our research center scrutinizes scientific and...

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Growing Up Too Fast: Premature Sexual Development in Boys

Every parent knows that girls are developing earlier than they used to, but boys’ sexual development is not as obvious.  A study published in late 2012 shows that the same concerns should apply to boys...

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