Three cups of coffee a day linked to brain decline that many people experience in old age - but tea may help PREVENT it By Meike Leonard Published: 20:32 EDT, 10 August 2024 | Updated: 20:43 EDT, 10 August 2024 e-mail View comments Too much coffee can speed up the cognitive decline that many people experience in old age – while tea may help prevent it, a study suggests. Researchers examining data from thousands of Britons found those who drank more than three cups of coffee a day were, years later, more likely to have issues with their memory, reasoning and decision-making skills. Those who either did not drink coffee or drank fewer than three cups daily were found to have a slower cognitive decline.

Some studies have previously suggested that caffeine has a number of health benefits, including reducing the risk of stroke, heart failure, cancers and diabetes . However, researchers from Murdoch University in Perth claim that their findings now suggest there is such a thing as too much coffee. Too much coffee can speed up the cognitive decline that many people experience in old age – while tea may help prevent it, a study suggests Researchers examining data from thousands of Britons found those who drank more than three cups of coffee a day were, years later, more likely to have issues with their memory, reasoning and decision-making skills Read More Where does our 'brain waste' go? Scientists think they've figured it out and can use it to treat Alzheimer's Some suggested t.