Dogs

5 Facts about dogs.

A dog's nose print is unique, much like a person's fingerprint.
Speaking of sleeping … all dogs dream, but puppies and senior dogs dream more frequently than adult dogs.
A dog's sense of smell is legendary, but did you know that their nose has as many as 300 million receptors? In comparison, a human nose has about 5 million.
Dogs' noses can sense heat and thermal radiation, which explains why blind or deaf dogs can still hunt.
Dogs curl up in a ball when sleeping to protect their organs — a holdover from their days in the wild, when they were vulnerable to predator attacks.

Dogs Make Us Feel Less Alone
Dogs can be there for you even when people can’t. They offer unconditional love, emotional support, and constant cuddles that help stave off social isolation. A small Australian study discovered that dog ownership can reduce loneliness.
Dogs Are Good for Your Heart
Owning a dog can help you live longer. A comprehensive review of studies published between 1950 and 2019 found that dog owners had a lower risk of death. Studies suggest that dog owners have lower blood pressure levels and improved responses to stress. Research has concluded that the bond between humans and dogs reduces stress, which is a major cause of cardiovascular problems.