Women who live to be 100 or more are rare–but not as rare as men who do. In the UK, five times as many women as men receive the "congratulations" birthday card from the Queen on their 100th birthdays. Life expectancy has been steadily improving for both sexes in most developed countries, but it’s been improving more for men than for women, who already live much longer.
What’s the reason–lifestyle or genes? Or is it because women’s pills work better?