Does Your Great Dane Know if you are Sick or Depressed
Does a Great Dane Know if You Are Sick or Depressed Great Danes can detect when you’re sick or depressed through their extraordinary olfactory capabilities, which include 300 million scent receptors capable of identifying volatile organic compounds at parts-per-trillion concentrations. Research demonstrates they’ll recognize stress hormones like cortisol (0.2-15 ng/mL) and adrenaline (10-200 pg/mL) released through your breath, perspiration, and…