Partly as a result of health policies, the 20th century has seen declines in infant and child mortality as well as continuous increases in life expectancy in many parts of the world. For example, it is estimated that the average life expectancy of Americans has increased since 1900 by 30 years [7], and worldwide by six years [8].
Human health is a qualitative characteristic consisting of a set of quantitative parameters: anthropometric (height, weight, chest volume, geometric shape of organs and tissues); physical (heart rate, blood pressure, body temperature); biochemical (the content of chemical elements in the body, erythrocytes, leukocytes, hormones, etc.);
ED Pills biological (the composition of the intestinal flora, the presence of viral and infectious diseases), etc.
For the state of the human body, there is the concept of "norm" when the values of the parameters fit into a certain range developed by medical science and practice.
A deviation from the specified range can be a sign and evidence of deterioration in health.
Outwardly, the loss of health will be expressed in measurable disorders in the structures and functions of the body, changes in its adaptive capabilities.