the only different one is C
because he has a dietary the other don't and are doing it by themselves
The right answer is seizure.
The cardiovascular risk attributed to the pill is discussed. But an analysis of the published literature brings convincing elements on this subject.
All combined contraceptive pills, that is to say combining the two hormones estrogen and progesterone, are associated with a risk of venous thrombosis (blood clot).
I guess since we are in the age of technology, mass media is quite a big part of our development at the moment in my opinion.