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Are dogs really man's best friend?
Transcript of Are dogs really man's best friend?
- Domesticated grey wolves 15,000 years ago.
- True wolves appear Europe 1 million years ago, USA 700,000 later.
- Domestication occur independently different areas of the world. The beginning..... But... - key role in humans lives
- Useful hunting, loyal, tracking ability.
-Watch dogs Why were they important? But today........
They are benefits to our health in many ways humans don't yet know about. -Companionship
-Raise levels serotonin & dopamine
- Lower blood pressure
-Boost immune system
-Reduce visits doctor
-Less likely suffer depression Some Health Benefits -Suggests dog able detect cancer; breath
-Babies and dog health, better those dog contact
-Senior citizens operation/homes
More health benefits... Today out of the 11 million dogs in the USA, none of the dogs look like those from 20,000 years ago.