Please generously apply the hacker mentality to software, arduinos, knitting, cooking and art, if you like. Don't be afraid to fail, nothing bad happens there. Build, test, iterate, enjoy.
There are, however, things in life where the stakes are higher. They require more knowledge than you can quickly gather with a Google search, and, you know, professionalism. Healthcare is one of these topics.
 As this seems to be a bit of a cultural blind spot for people in the US, I highly recommend http://www.amazon.com/Bright-Sided-Positive-Thinking-Undermi...
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