Ortho Tri-Cyclen oral contraceptivesWIKIMEDIA COMMONS, BETTEDAVISEYES
In some regions of the world, increased use of oral contraceptives may be associated with driving up rates of prostate cancer, according to a paper published this week in BMJ Open. Canadian researchers found a significant positive relationship between 2007 data on contraceptive use and global prostate cancer rates from the same year, with the strongest relationship showing up in Europe. No such relationship was found between prostate cancer and the use of other contraceptives, such as condoms and intrauterine devices.
The scientists suggested that hormones, especially estrogen, from the urine of people taking the pills may be leaching into the environment and contaminating drinking water or food supplies. Estrogen by-products are known to spur the growth of some tumors. But the Toronto University researchers, ...
