Addiction is a complex physiological phenomenon that is intimately linked to the dopamine neurotransmitter system. Neurons in the dopamine system are studded with cannabinoid receptors (like CB1) which explains the addictive properties of cannabinoid substances. However, the interaction between the cannabinoid system and the dopamine system also offers opportunities for cannabinoids in the treatment of addiction to for instance alcohol, food, nicotine or opioids.

Autism is a neurodevelopmental disorder characterized by impaired social interaction, verbal and non-verbal communication, and restricted and repetitive behavior.

Cystitis is an infection of the urinary tract.

Diabetes has two major forms: Type 1 Diabetes is an auto-immune disorder where insulin-producing β-cells in the pancreatic Islets of Langerhans are attacked by the body's immune system resulting in reduced insulin production.

Eczema or dermatitis is a (chronic) inflammation of the skin. Eczema is marked by itchy skin and crusty skin lesions. It is not known what exactly causes Eczema but an over-active immune system may at least be part of the cause.

Huntington's disease is a genetic neurodegenerative disorder, marked by preferential degeneration of neurons in the basal ganglia (caudate and putamen) and accompanied by motor deficits, cognitive impairment and psychiatric symptoms.

Hypoxic-ischemic encephalopathy is a form of brain injury caused by oxygen deprivation during the birth process. It can cause sensorimotor and cognitive impairments including physical and intellectual disability.