They are our best friends. But, if a study is to be believed, humans and dogs share more than just friendship and companionship
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/genetic-cancer-link-between-humans-and-dogs-discovered
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cancer
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/medical-research
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/genetic-disorders
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/life-science
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/n-c-america