Confinement is the physics phenomenon that quarks cannot be isolated. The color-charged quarks are confined with other quarks by the strong interaction to form pairs or triplets so that the net color is neutral. The force between quarks increases as the distance between them increases, so no quarks can be found individually.
... promote the distrust of conventional medicine, often by lying.
Cost. Pharmaceutical companies and doctors charge a lot of money for their services. Quacks can easily ...