First the Good News

"There is no longer any doubt" , it says here, that coffee, tea, and chocolate are good for you.

So says a website just called "Inc", which cognomen doesn't actually inspire all that much confidence.  But I like what they have to say:

Neuroscience continues to uncover new ways that coffee and (to a lesser extent) tea and chocolate, tend to make brains healthier and more resilient. 2019 has already seen some amazing research breakthroughs that are definitely worth sharing. 

First, a joint study from the National Institute on Aging and Johns Hopkins University, and published last January in Neurochemical Research magazine,discovered that a methylxanthines--a class of chemical found in coffee, tea and dark chocolate (cacao)

"has clear effects on neuronal network activity, promotes sustained cognitive performance and can protect neurons against dysfunction and death in animal models of stroke, Alzheimer's disease and Parkinson's disease."