https://www.health.harvard.edu/blog/a-checkup-for-the-checku...
> Careful reviews of several large studies have shown that these annual visits don't make any difference in health outcomes. In other words, being seen by your doctor once a year won't necessarily keep you from getting sick, or even help you live longer. And some of the components of an annual visit may actually cause harm. For example, lab tests and exams that are ordered for healthy patients (as opposed to people with symptoms or known illnesses) are statistically more likely to be "false positives" — that is, when test results suggest a problem that doesn't exist. Even if these inaccurate findings affect only a tiny percentage of the more than 200 million adults who would undergo such exams, the monetary, practical, and emotional costs are huge.