Functional medicine is a form of alternative medicine that encompasses a number of unproven and disproven methods and treatments.

Lifestyle medicine is a branch of medicine dealing with research, prevention and treatment of disorders caused by lifestyle factors such as nutrition, physical inactivity, and chronic stress.

Body composition describes what the body is made of: fat, protein, minerals and body water. It also describes weight more accurately than BMI.

Chiropractic is a pseudoscientific complementary and alternative medicine that is concerned with the diagnosis and treatment of mechanical disorders of the musculoskeletal system, especially the spine.