Physical
fitness is good bodily health, and is the result of regular
exercise, proper diet and nutrition, and proper rest for physical
recovery.
Human
height
A strong
indicator of the health of populations is height, which is
generally increased by improving nutrition and health care,
and is also influenced by the standard of living and quality
of life.
Genetics
is also a major factor in people's height. The study of human
growth, its regulators, and its implications is known as Auxology.