The film tells about the results of the work of the Laboratory of Quantitative Gerontology of the Institute of Chemical Physics of the Academy of Sciences of the USSR. The laboratory studied the effect of antioxidants on the human body - substances that prevent the harmful effects of oxygen. With the help of these substances, it would be possible to prolong the life of a person, but at the behest from above, the laboratory was closed. General view of the park. Employee of the Laboratory of Quantitative Gerontology of the Institute of Chemical Physics of the USSR Academy of Sciences, Candidate of Medical Sciences T.L. Najaryan in his office, talks (sync. And off-screen.) About antioxidants, about their positive effects on the human body. Experiments on rats in the laboratory. Experiments on laboratory staff (voluntary); the employees on whom the experiments were carried out tell about the results of the experiment (sync. and for the frame.).