Read the text.
Personal health partially depends on the social structure of a person's life. The maintenance of strong social relationships, volunteering and other social activities are connected with positive mental health and even with increased longevity.
However, prolonged psychological stress may negatively impact health. It can be a factor of cognitive impairment that is connected with ageing, depressive illness and numerous other diseases.

Read the statement and decide that it is true, false or not stated.
Prolonged stress can cause only physical health problems.

• false
• not stated
• true