Oral contraceptive (OC) use is associated with decreased risks of several cancers and current use increases risk for breast cancer. Most studies are limited to women who used early generation OCs—which contained higher estrogen concentrations and androgenic progestins compared to drugs used today. Research suggests that newer drugs are still associated with early breast cancer risk, however the influence on other cancers... more »

Females who do not experience menstruation or experience reduced frequency of menstruation due to hormonal birth control would be compared to females who experience menstruation and do not take hormones. Potential outcomes to compare include bone density, cancer, mental illness, and mortality. This would help people make informed decisions about hormone use.

This study would require a sample of persons with identifiable low grade food allergies. These would likely be identified via laboratory blood testing.

Some participants should eliminate all dietary allergens and others should continue to eat as usual. Questionnaires would be required to assess patient health.

A possible blood test follow-up may assess the state of the allergens per individual basis. Also suggest tracking... more »