Indonesia’s Bajau people, who for generations have spent the majority of their days diving and hunting underwater, have genetic adaptations that include spleens

Indonesia’s Bajau people, who for generations have spent the majority of their days diving and hunting underwater, have genetic adaptations that include spleens that are around 50% larger than those of their land-based neighbors. https://www.sciencemag.org/news/2018/04/indonesian-divers-have-evolved-bigger-spleens-hunt-underwater https://www.sciencemag.org/news/2018/04/indonesian-divers-ha... You also have some populations who have been living in high altitude for many generations that have genetic adatptions to low-oxygen environments. https://www.sciencemag.org/news/2014/07/tibetans-inherited-high-altitude-gene-ancient-human https://www.sciencemag.org/news/2014/07/tibetans-inherited-h...