It is traditionally believed that laughter can prolong life in any situation.
However, in reality, everything is not as clear-cut as it might seem at first glance.
Scientists from the Norwegian Institute of Science and Technology conducted research that showed when exactly laughter is unable to affect longevity, as reported by TimesOfIndia .
Laughter will not help people who have a negative attitude towards life live longer, according to researchers.
Experts' data has shown that pessimists are at risk of dying earlier than those people who have a positive mindset.
The researchers emphasized: “Optimistic women are 46 percent less likely to die than ordinary people.”
For men, in turn, a positive outlook on life helps them better cope with infectious diseases.
We previously reported that mouthwashes containing alcohol increase the risk of cancer .