he death of a loved one is incredibly hard, leaving deep mental, emotional, and spiritual scars. Healing takes time—sometimes years. Interestingly, some believe people can sense when death is near.
Scientists explain this through a chemical called putrescine, which is released during body decay and has a foul smell. Both humans and animals subconsciously recognize this odor as a danger signal, triggering an instinctive fight-or-flight response.
Studies show that when exposed to putrescine, people tend to move away instinctively, similar to animals sensing threats. Other smells, like sweat from fearful people, also cause automatic alertness.
Unlike sexual pheromones that attract mates, putrescine signals danger and causes avoidance and hostility, often without people realizing why they react this way.
