Medical experts from institutions like Harvard Medical School explain that the menstrual cycle is a reflection of the , which regulates essential hormones.
Research published in The BMJ has linked (lasting 40 days or more) to a significantly higher risk of premature death —defined as dying before the age of 70. The large-scale study, which followed nearly 80,000 women over 24 years, suggests that a woman’s menstrual history acts as a "vital sign" for her overall long-term health. Key Findings of the Study Irregular, Long Periods Tied to Shorter Life Span
Women who reported always having irregular cycles between the ages of 18 and 46 were 37% to 39% more likely to die prematurely compared to those with regular cycles. Key Findings of the Study Women who reported
The association between irregular cycles and early death was slightly stronger among women who were current smokers . Why the Menstrual Cycle Matters which followed nearly 80
Long, irregular menstrual cycles may predict premature mortality