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This may be due to what trees are planted in cities: https://blogs.scientificamerican.com/guest-blog/botanical-sexism-cultivates-home-grown-allergies/ https://

by bsou 5y ago

This may be due to what trees are planted in cities: https://blogs.scientificamerican.com/guest-blog/botanical-sexism-cultivates-home-grown-allergies/ https://blogs.scientificamerican.com/guest-blog/botanical-se...