As vacationers go on hiking trips, swim, sunbathe, fish, pick mushrooms and ski in various resorts across the Soviet Union, scientist Evgeni Chazov discusses the importance of active recreation in the prevention of diseases and fatigue.
1982
2022
1993
2021
2024
2023
1950
2003
2007
2012
1967
2018
2016
2014
2017
—
2025
2001