> Does second hand smoke play into this statistic?
second hand smoke is a known risk factor.
still it doesn't explain the difference, which is rather large.
the most probable explanation is that women are more exposed or more susceptible to some other risk factor than men.
A wild guess, for example, could be: women are in charge of cooking and are exposed to the fireplace wood smoke. There are studies associating fireplace wood smoke to an increase of breast cancer. [1]
Indoor pollution is also thought to be harmful for respiratory system health.
second hand smoke is a known risk factor.
still it doesn't explain the difference, which is rather large.
the most probable explanation is that women are more exposed or more susceptible to some other risk factor than men.
A wild guess, for example, could be: women are in charge of cooking and are exposed to the fireplace wood smoke. There are studies associating fireplace wood smoke to an increase of breast cancer. [1]
Indoor pollution is also thought to be harmful for respiratory system health.
[1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5744698/