Thou shalt diligently try to find the best treatment for the individual, because different treatments work for different people

The NNT should be just a starting point for clinicians: they give you a rough idea of the statistical likelihood of a particular treatment having some effect within a trial population or pre-specified subgroup. Patients are right to find them hard to apply to themselves.
For most symptomatic conditions, the NNT simply identifies the treatments that may be worth considering first. Cost as well as efficacy may be a consideration. Thereafter, it may require one or more trials of treatment to find the most effective drug. In some situations, such as neuropathic pain, it may be worth trying drugs with a relatively small statistical likelihood of benefit, if this offers the possibility of success when more likely agents have failed.

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Fun and

Choosing Wisely - a parody of the infectious Pharrell Williams song "Happy"