Dear Doctors: I think that, as I get older, I may be developing a sensitivity to caffeine. I have always loved my cup of coffee in the morning, but now I find that it makes me a bit racy. I would love to understand why.
Dear Reader: Whether it’s coffee, tea or other caffeinated beverages, we humans love the lift caffeine gives. Recent data estimate that 85% of adults in the United States consume caffeine in some form each day.
