It found that a little coffee is OK, but stroke risk rose 37% after the fourth cup. The news was better for tea drinkers. Drinking three to four cups of black tea a day lowered stroke risk by 29%, while the same amount of green tea was linked to a 27% lower risk.

Drinking four cups of coffee per day was linked with an increase in stroke risk of more than a third, researchers found.

"Freshly squeezed fruit juices are most likely to bring benefits, but fruit drinks made from concentrates, with lots of added sugars and preservatives, may be harmful," he warned. "Our research shows that the chance of stroke increases the more often someone consumes fizzy drinks."

New research suggests that drinking too much coffee, soda, and fruit juice each day may greatly increase your stroke risk, while drinking tea may lower it.

Want to keep stroke risk at bay? Opt for water and avoid your favorite fizzy and fruity drinks. That's the key takeaway from a global review that also warns against consuming more than four cups of coffee daily.

A new study from the University of Galway, in collaboration with McMaster University in Canada, has found that frequent consumption of coffee and carbonated drinks is associated with a significantly higher risk of stroke.