Two books are coming out in March that look at why we do not make the right decisions — or follow through on a course we’ve set. It’s interesting psychology. Midway through the article is a discussion of how people tend to be overly confident of their own abilities — and a fleeting reference to studies showing that doctors who are “completely certain” of a diagnosis were wrong 40 percent of the time.

How many times has this happened to you? You firmly decide what you’re going to do – whether it be going to the gym or asking your boss for a raise or placing a much-delayed call to a friend.

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Lisa Aliferis

Lisa Aliferis is the founding editor of KQED's State of Health blog. Since 2011, she's been writing stories and editing them for the site. Before taking up blogging, she toiled for many years producing health stories for television, including Dateline NBC and San Francisco's CBS affiliate, KPIX-TV. She also wrote up a handy guide to the Affordable Care Act, especially for Californians. You can follow her on Twitter: @laliferis

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