Are you feeling blue? Well, it might be down to your genes.
Scientists at Warwick University have found that happiness is a genetic matter.
The research found, it all depends on the length of your serotonin transporter gene.
Seratonin being the happy chemical.
But, the Happiness Index 2014 places Brits tenth in the world.
It seems our happy genes aren't as joyful as the Danish, who came top.
London Live’s Luke Garratt explains.