How much coffee do you drink?
"A 20 ounce cup, we would count that as two and a half cups," Lavie added.
For perspective, here are some measurements of that cup o' Joe you like to enjoy:
A short Starbucks coffee is 8 ounces. A tall is 12 ounces. A grande is 16 ounces, or two cups of coffee. Make it a venti and you've consumed 20 ounces.
Meanwhile, at Dunkin' Donuts, a small cup of coffee is 10 ounces. A medium contains 14. Order a large and you'll get ounces 20 ounces and XL, 24 ounces, or three cups of coffee.
Experts told CNN in 2012 that they would not make a public health recommendation concerning coffee because there just isn't enough solid evidence to do so.
"If you consume coffee, enjoy it," Dr. Donald Hensrud of the Mayo Clinic said. "But I wouldn't necessarily recommend taking it up if you don't like it."
A lot of people already consider it a regular part of their lives. For nearly two-thirds of Americans, the daily coffee routine is just habit.
Get out of bed. Make coffee. Start your work day.
Have more coffee. Repeat. Hope it won't kill you.