Caffeine intake and hearing loss

[Snoopy]

Had unhealthy amount of coffee intake during my work at HP since coffee was for free. At my advanced age now I have high frequency hearing loss (> 10 kHz) like all other people have it in my age. Some need already hearing devices which I do not. Speech I can hear very well and music datails also. My coffee consumption is now less because risk of high blood pressure.

What’s high for you? I’m sometimes at 600mg per day + what I get from tea and Pepsi/coke