What are the main sources of negative effects on health in modern conditions?

The main sources of negative effects on human health in modern conditions: lack of stability, uncertainty about tomorrow, high labor intensity and low physical activity during work and rest, poor environmental conditions.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.