The chemical compounds found in the cannabis plant are called cannabinoids. There has been over 85 different cannabinoids found in the plant. The most famous of them all is Tetrahydrocannabinol (THC). THC is the main psychoactive chemical found in receptors are concentrated in certain areas of the brain associated with thinking, memory, pleasure, coordination and time perception. THC attaches to these receptors and activates them and affects a person's memory, pleasure, movements, thinking, concentration, coordination, and sensory and time perception.  As THC is the main psychoactive chemical in cannabis, Cannabidiol (CBD) is the main non-psychoactive chemical found in cannabis. CBD has gained prominence in the past decade through scientific research and has been found to be responsible for many of the therapeutic and medicinal properties associated with medical marijuana. Terpenoids also known as Terpenes are organic chemical compounds produced by many different plants and generally carry aromatic or flavonoid properties. Terpenes are an essential component of resin and are usually a major factor in the essential oils produced by a plant.  Terpenes are responsible for the smell and flavor of each strain. While both strains share the same cannabinoids, they vary in levels of THC, CBD, and Terpenes that classify them as Sativa or Indica. Sativa’s cannabinoid profile is dominated by high THC levels and low or no CBD levels. Indica's chemical profile shows a more balanced mix, with moderate THC levels and higher levels of CBD.  Indica strains relax muscles and work as general analgesics, also helping with sleep. A cancer patient hoping to relieve the pain from chemotherapy may benefit from the effects of an Indica plant. Sativa strains produce more of a euphoric high, lifting the consumer’s mood and therapeutically relieving stress, indicating Sativas may be useful at relieving anxiety and depression.