Testosterone does increase risk of heart failure so that is certainly part of it.
Women are also more risk-averse. Risky living = high chance of dying https://m.economictimes.com/magazines/panache/men-have-a-shorter-life-expectancy-than-women-thanks-to-their-genes-says-harvard-study/articleshow/99119402.cms
Upvoting because I want to be an awesome person
It sounds like if you’re trying all of this and it’s still not working, something about the way you’re selling yourself isn’t working. Have you tried changing your resume to better match different job descriptions? Try having someone give you feedback on the way you interview. Are you coming on too strong? Maybe you dont have enough specific examples in your answers or too many specifics and not enough leadership/direction. I would also use LinkedIn if you’re not already
It’ll probably be bears next