If you get health insurance from your employer, you have to make decision every year about which coverage to choose.

So here is a warning: If you are simply sticking with an old plan with a low deductible, that may well be a wrong and costly choice.

You might wonder how anyone could say that choosing one plan over another is “wrong.” Surely such a choice depends on personal preferences about doctors, premiums, deductibles and other factors. And that’s all true.