I probably should not take the Pill anyway because of my age. I’m 35 and I believe that’s the “cut-off” age.
I would actually be most concerned about your sister. The World Health Organization has identified the Pill as a Carcinogen and the younger someone starts, the higher the risk for breast cancer.
http://www.prlog.org/10922665-birth-control-pill-shown-to-be-carcinogen.html
She should know her options.
I find it hard to believe that a person could take high doses of a chemical hormone for decades and not have a serious increase in health problems.