What types of foods are a "no-go zone" for women suffering period problems?

Why do women have different symptoms, even though the female system is the same?

Are painkillers good or bad in the treatment of period problems?

Is the contraceptive pill good or bad for period problems?

Is a Mirena device good or bad for period problems?

Are vitamin supplements good or bad for period problems?

Do hysterectomies fix the cause or just the symptoms of period problems?

What is a normal menstrual cycle?