A new study showed that people who live their lives at the same speed os a tortoise, have a higher chance of an early grave .

While looking at the reaction time of 5,000 men and women, researchers found that slow people are 25% more likely to die in the next 25 years – regardless of their age.

It’s so worrying that experts are now saying the lack of alertness could be as dangerous as smoking.

They also think that a slow reaction could indicate something more serious in the body, since the speed of your brain can act as a mirror of what’s happening inside you – or not happening.

The results of the study showed that slow reactions can even be linked with heart attack, strokes and car accidents.

And we thought being chilled out was a good thing…