Why Do Dogs Sniff People?

Answer

Dogs sniff people, because their nose has the most powerful sense more than their ears and eyes. The reason why dogs sniff is for identification and also for the purpose of checking for any illegal substance.
Q&A Related to "Why Do Dogs Sniff People?"
Dogs have incredible sense of smell. They sniff each other to check out other dogs, to recognize ones they might have met before. They also like to check out the opposite sex.
http://answers.ask.com/Health/Addictions/why_do_do...
1. Decide on what you want to train your dog to sniff out and purchase a pseudo-drug from Sigma-Aldrich. The company is one of the largest companies selling such products for dog
http://www.ehow.com/how_2337851_train-dog-sniff-ou...
because they rely mostly on scent. sence their vision is black and white.
http://wiki.answers.com/Q/How+does+dogs+sniff+out+...
n. A dog specially trained to locate illicit drugs or explosives by using its sense of smell.
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