Downing more than 600mg a day ( the equivalent of six mugs of brewed coffee) can produce anxiety, sleeplessness, agitation, ...

If you're one of the millions of regular coffee drinkers in the UK ... That decision is made for us by one liver enzyme known ...

A 2023 study found that higher caffeine levels in the blood are linked to lower BMI and reduced risk of type 2 diabetes. The ...

For many people, a cup of coffee is an essential part of the morning routine - but it turns out that our bodies can become ...

I’ll be honest: I had no idea people really drank coffee to perk them up ... of caffeine ― which one we get depends on which type of liver enzyme, known as CYP1A2, we have. The enzyme affects how ...

In general, those with variations affecting the genes – namely CYP1A2 and a gene that regulates it ... and this research adds ...

If you're one of the millions of regular coffee drinkers in the UK ... That decision is made for us by one liver enzyme known as CYP1A2. This is what affects the body’s sensitivity to caffeine ...

He explains: "If caffeine makes you feel tired, it might be because of a software glitch in your caffeine gene. Broadly speaking, people can have fast or slow caffeine metabolizers and it all depends ...