Shorter Life Span: Irregular, Long Periods Tied To

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

Medical experts from institutions like Harvard Medical School explain that the menstrual cycle is a reflection of the , which regulates essential hormones. Irregular, Long Periods Tied to Shorter Life Span

The research from Harvard T.H. Chan School of Public Health highlights several critical data points regarding life span and cycle characteristics: Research published in The BMJ has linked (lasting