The biomedical health belief system, folk health belief system, alternative or complementary belief, and holistic health belief system are the four basic concepts of health beliefs. The biomedical model of health focuses on biological factors and excludes psychological, environments, and social influences.
Folk medicine is a type of medical practice that is mostly based on experiences and other beliefs. It involves herbal medicine and spirituality. Practitioners use complementary medicine in tandem with conventional medicine.
Complementary medicine is when alternative medicine which is used together with functional medical treatment, in a belief that it improves the effects of treatments. Holistic medicine considers the mind, body, spirit, and emotions.