Today I am thinking of kids in school as it is the start of the school year.  A Harvard School of Public Health study finds that children at age 7 with superior attention spans and a positive outlook reported better health and fewer illnesses 30 years later.  So let's teach positive thinking and focusing on tasks for long term physical and mental health.  I find negative thinking to be the root of all evil -- it will surely lead to depression and anxiety as one spirals down.  Let's all practice optimism!  And I should add, this does not mean becoming Polyannas...