Propensity for optimism is generally more common among people than pessimistic tendencies. It may mean that we have a genetic predisposition to be optimistic, says psychologist Dr. Agnieszka Czerw from the SWSP University in Poznań. She adds that optimism can be trained.
Sometimes it`s easier to blame evil spirits than admit that you have a psychological problem or a difficult situation in your family - says psychologist Dr. Igor Pietkiewicz from the SWPS University, who studies the phenomenon of sudden behavioural and identity changes attributed to possession.
The heat is tiring, because the body puts all its energy into maintaining a constant body temperature. Fatigue, which discourages us from physical effort, protects us against additional elevation of blood temperature and saves valuable micronutrients - says physiologist Prof. Krystyna Koziec.