The probability of depression at the non-smoking people subject to influence of a tobacco smoke at home or on work, more than twice above, than at the others, is spoken in the report presented at meeting of the American psychosomatic society in Chicago.

"The given work became the first American research which binds passive smoking to depression", - the author of article Merlin Evias writes. Other research with a similar conclusion has been spent in Japan.

The given research, unlike Japanese, confirmed susceptibility to influence to a tobacco smoke by level measurement of chemical substance which is formed in blood after inhalation of a tobacco smoke.

The people which analysis of blood has confirmed their susceptibility to influence of the tobacco smoke exhaled by other smokers, showed symptoms of serious depression is more often, the author of research Frank Bandeira from chair of medicine of university Majjami confirm