Do Meta Tags need to be consistent?

Question

For example. If i have drug rehab related site. Should I try to be as consistent as possible with the meta keywords and stick with ones like "drug rehab", "drug treatment" and "drug abuse"......

Or could I safely use a mix of general keywords as well, like "health", "hospitals", "clinics", "psychiatry".....etc...and still get the improved SE rank I'm looking for?

Sorry for the newbie question but I want to give myself the best chance of showing up in some search results and I'm new at SEO.

Answer 1

I would stick to keywords you are targeting drug rehab, drug addiction ect provided that drug rehab & drug addiction or whatever keywords you choose are in your web sites body text...