15 Fascinating Things Dogs Can Smell That Humans Can’t
Cancer: Dogs have been trained to detect certain types of cancer, including breast and lung cancer, by smelling volatile organic compounds (VOCs) produced by cancerous cells
Low Blood Sugar: Diabetic alert dogs can smell changes in blood sugar levels, particularly hypoglycemia (low blood sugar)
Seizures: Some dogs can detect subtle changes in their owner's body chemistry that occur before a seizure, allowing them to warn their owner to take precautions.
Pregnancy: Dogs can detect hormonal changes in a woman’s body during pregnancy.
Infections: Dogs can detect bacterial infections, such as urinary tract infections (UTIs) or Clostridium difficile (C. diff) infections
Fear or Anxiety: Dogs can smell the chemical changes in a person’s body when they are afraid or anxious.
Bed Bugs: Dogs are used in pest control to detect bed bugs. Their keen sense of smell allows them to locate even the smallest infestations
Drugs and Explosives: Trained detection dogs can sniff out illegal drugs and explosives by detecting trace amounts of specific chemicals