Is coffee good for you? Healthy number of coffees per day

How Many Cups of Coffee You Should Drink Per Day, According to 'Science

The body-benefits of drinking coffee from one cup a day to six

2-5 coffees per day shows CVD benefits

8 Reasons Your Black Coffee Drink Is Good for Your Health

Caffeine overdose: Symptoms, treatment, and how much is too much?

Coffee for Health - Positive and Negative Effects of Caffeine

Here's How Much Coffee You Can Have in a Day, According to the Mayo Clinic — Eat This Not That

Health benefits of coffee? How much to drink, and are there risks?

Drinking 4 Cups of Coffee a Day Strengthens Your Liver

Is Coffee Good for You? - The New York Times