'Safe' not 'good': 4 cups of coffee a day may not be healthy

Rejoice, it's "probably safe" and George Clooney does it therefore so should we. 

from
http://www.stuff.co.nz/life-style/well-good/teach-me/92461101/Safe-not-good-4-cups-of-coffee-a-day-may-not-be-healthy