This system in our body was not discovered by researchers until the 1990s. Today we know that this system regulates many of our physical functions, such as: appetite, sleep, mood and memory.
At that time, the scientists isolated phytochemicals from cannabis plants - so-called phytocannabinoids (“phyto” stands for “plant”). They wanted to study the effects of these chemicals and came across a network of enzymes and receptors that enable the body's own cannabinoids to be produced and used. These cannabinoids originate from the own body (endo) and are called endocannabinoids.
It was also found that these neurochemicals exist not only in humans and mammals, but in almost all animals, such as birds, fish, amphibians and marine animals. Scientists suggest that the endocannabinoid system is 600 million years old.