por RitaPechal
0 
Homo sapiens (+) Mutualism (+) Canis lupus familiaris
Observación
This study found that current dog owners are less likely to develop disabling dementia than those who never owned a dog or owned one in the past.
credits: ScienceDirect, Yu Taniguchi, Satoshi Seino, Tomoko Ikeuchi, Toshiki Hata, Shoji Shinkai, Akihiko Kitamura and Yoshinori Fujiwara
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