by Michael O’Leary

Sometimes it seems as if scientific research is a little like the childhood daisy rhyme, “she loves me, she loves me not,” repeated as petals of the daisy are picked off. So many things are first thought to be good for you, then a new study shows not so much.

That has been the history of research into coffee and health, some studies show health benefits of coffee consumption and just as you pour that second cup, another study shows the opposite. Part of the reason for this, as Harvard nutrition researcher Dr. Rob van Dam explains, is that a simple cup of coffee is anything but simple. (published site)