Immune Response and Affective States of Elderly and 50+ Individuals After Intentional and Indirect Contact With Nature

Randomized clinical trial on the influence of intentional and indirect contact with nature on the immune response and affective states in people aged 50 years or older.

Inclusion Criteria: * individuals of both sexes * capable of physical and mental to carry out the proposed activities * capable of mental to fill in the questionnaires. Exclusion Criteria: * autoimmune diseases * chronic or acute inflammatory diseases * disease that affects the response of the immune system * neuromuscular problems * oncological diseases and neoplastic * individuals being treated with immunosuppressive drugs or that affect the immune system * individuals who are under the influence of alcohol or other substances that interfere with cognitive ability * those who have had contact intentional relationship with nature in the 30-day period prior to participating in the study