Kas õnnelikuks mõtlemine teeb tervemaks

A Fighting Spirit Won’t Save Your Life
By RICHARD P. SLOAN
http://www.nytimes.com/2011/01/25/opinion/25sloan.html?_r=1&adxnnl=1&ref=general&src=me&adxnnlx=1296286428-zKL/p0E3Xwtkm/9wFbfx3Q

Personality Traits and Cancer Risk and Survival Based on Finnish and Swedish Registry Data
http://aje.oxfordjournals.org/content/172/4/377.full