Dogs can detect changes in human emotions through scent, such as stress, fear, or happiness. They can pick up on pheromones and body odors released when we experience these emotions.
Dogs have been known to detect certain diseases, such as cancer, diabetes, and even seizures, by smelling subtle changes in a person's body chemistry, including chemicals released by tumors or changes in blood sugar.
Dogs can smell fluctuations in hormones, such as during menstruation, pregnancy, or even ovulation. They can often detect these changes before a person is aware of them.
Dogs can identify individual humans and animals by their unique scent. This ability allows them to recognize their owners, even in crowded places or after long periods of separation.
Dogs are trained to detect the scent of drugs, explosives, and other illegal substances. Their keen sense of smell makes them invaluable in law enforcement, customs, and search-and-rescue missions.
Dogs can smell food from miles away, even when it’s sealed in containers or hidden. Their powerful nose allows them to detect food odors that are undetectable to humans.
Dogs can detect the presence of harmful bacteria or infections, including those associated with wounds, ear infections, or illnesses like pneumonia. This ability helps them detect infections early.
Some dogs can sense changes in weather, like an approaching storm, due to their ability to detect subtle shifts in barometric pressure or even the scent of rain in the air.