>we would expect to see reduced consumption among people with reduced general health. I would not expect this at all as it goes against my real world observati

>we would expect to see reduced consumption among people with reduced general health. I would not expect this at all as it goes against my real world observations of people with poor general health consuming caffeine in as high doses. Some of the same causal factors for poor general health, like long work hours and long commutes can lead to increased caffeine consumption.