Lecture 23

200 the increase in number of boys born with penis

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Unformatted text preview: of baby boys born since 1970 based on declining male birth rates.  200%  ­ the increase in number of boys born with penis abnormaliHes and genital defects in the past 20 years.  300%  ­ the increase in the incidence of tesHcular cancer  17%  ­ the decrease in serum testosterone levels in MA men between 1987 and 2004.  44%  ­ decrease in concepHon rates between 1960 and 2002 (with sharpest drop in women under age 25).  700% increase in auHsm since 1990  50%  ­ the decline in average sperm count in college age males today versus 1950.   40%  ­ increase in breast cancer incidence (US) between 1973 and 1998. 5 5/1/13 Total testosterone levels in age ­matched males have dropped 17% overall from 1987 ­2004. Central Nervous System  AuHsm  AcenHon Deficit HyperacHvity Disorder Learning DisabiliHes  Parkinson s Disease  Alzheimer s Disease Female ReproducDve System  Endometriosis  Breast Cancer Male ReproducDve System  Cryptorchidism (undescended tesHcles)  Hypospadias  InferHlity/SubferHlity  TesHcular Cancer  Prostate Cancer Travison, TG, AB Araujo, AB O Donnell, V Kupelian, JB McKinlay. 2007. A populaHon ­level decline in serum testosterone levels in American men. Journal of Clinical Endocrinology and Metabolism 92:196–202. 1374, 906 and 489 men (MA) Other  Juvenile Diabetes  Obesity  Autoimmune Disorders  Asthma  Osteoporosis  Juvenile Cancer Human disorders that have increased in prevalence since 1970 The Endocrine System Regulates: Each of these disorders has been linked* to prenatal or adult exposure to chemicals called endocrine disruptors.  body growth  response to stress  sexual development  behavior  producHon and uHlizaHon of insulin  rate of metabolism  intelligence  behavior Glands release hormones into the...
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This document was uploaded on 04/03/2014.

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