Drug-free mood boost

First For Women - - Health -

En­joy­ing cool, creamy yo­gurt daily can ward off a blue mood, re­port in­ves­ti­ga­tors at the Uni­ver­sity of Vir­ginia School of Medicine in Char­lottesville. In an an­i­mal study, de­pressed mice treated with lac­to­bacil­lus, a pro­bi­otic bac­te­ria strain found in yo­gurt and ke­fir, had 46 per­cent lower lev­els of kynure­nine (a me­tab­o­lite in the blood that has been shown to cause de­pres­sion) com­pared with mice that were not given the pro­bi­otic. The study au­thors say lac­to­bacil­lus eases in­flam­ma­tion, de­creas­ing the pro­duc­tion of the de­pres­sive com­pound. They sus­pect hu­mans would ex­pe­ri­ence sim­i­lar ben­e­fits con­sum­ing pro­bi­otic-rich foods.

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