>I did it probably 15 years ago now. I had read an article suggesting it helps some people who get "hay fever" in the spring. It worked for me.
>
>I drink decaf coffee, so I still get some caffeine, but probably only 3% or so of what I used to get. I don't drink teas or sodas which are 2 other major sources.

I've been to an office in Atlanta a while ago, where it was company policy to have only decaf in the kitchen (and it was a house literally powered by software written in-house, the only way to make their business feasible, go figure). One guy had his own replacement pills that he'd drop into his coffee mug. They called it recaf.