Overview
- A UK man in his 50s who routinely drank eight energy drinks a day suffered a thalamic ischemic stroke, according to BMJ Case Reports.
- His consumption amounted to roughly 1,200–1,300 mg of caffeine daily, far exceeding the commonly cited adult guideline of 400 mg.
- After quitting energy drinks entirely, his previously stubborn high blood pressure normalized and he was able to stop medications and resume full-time work.
- At presentation his blood pressure measured about 254/150 mmHg, Nottingham physician Dr. Sunil Munshi said.
- The authors note possible additive cardiovascular effects from ingredients such as guarana, taurine, ginseng and glucuronolactone and suggest exploring tighter sales and advertising rules, while stressing that a single case does not prove causation.