Don’t have caffeine before some stress tests
A stress test is used to work your heart (by walking on a treadmill or riding a stationary bike) to see how it reacts and ensure that it’s healthy.
But if you’re having a certain kind of stress test that involves the use of pharmacological agents to stress the heart, don’t have caffeine beforehand.
‘Caffeine counteracts the medicine—adenosine or regadenosine—used to simulate stress in the ‘chemical’ stress test,’ says Dr. Lee.
