The right perspective on pressure can create a very positive new normal, which I discuss in my recent leadership column on CEO.com.

FORBES: 6 Ways To Conquer Leadership Pressure

Dr. Robert Bonow, chief of cardiology at Northwestern University's Feinberg School of Medicine, notes that about 10 percent of study participants with a positive test had normal coronary arteries, and 17 percent of those with a normal test had coronary disease.

CNN: Newer heart test may not be better

At least 20% of those who screen positive on questionnaires may have normal cognition, which would only be apparent with more testing.

WSJ: New Push For Early Testing, Treatment For Dementia