Feeling tired after enjoying a cup of coffee? You should probably limit your caffeine intake, advise researchers

Feeling tired after enjoying a cup of coffee? You should probably limit your caffeine intake, advise researchers

For example, some people can drink multiple cups of coffee a day and experience little to no unwanted effects.When you drink coffee, caffeine binds to adenosine receptors.This allows more adenosine to bind to its receptors and offset the effects of caffeine.