It also appears to have significant mental health benefits too…
There was quite a large study undertaken in the late 1980’s i believe here in the UK involving Nursing staff, From what i remember the sample group was in at least the thousands so it was a fairly high quality group for statistical analysis.
There was found to be a correlation between specifically MODERATE coffee consumption and reduced incidences of depression, other caffinated drinks seemed to offer no ‘benefits’… could coffee drinkers have different personality traits or is something ‘else’ at work?.. would be interesting if someone were to do some follow up… mind you big pharma makes too much money from throwing pills at people at great expense so…
Oh and too much caffeine can raise heart rate and blood pressure fairly significantly so could actually CAUSE tinnitus in some cases.