Feeling blue? put your Christmas tree up

Christmas Tree

Have you put your Christmas tree up yet? 

Experts say that putting your tree and decorations up can actually make you happier. 

One psychologist explains this can actually prompt a shift in hormones, making us feel happier. 

She described the holidays as a "magical time", which could explain why many people are eager to start the celebrations.  

While there is no hard and fast rule about when to put up your Christmas tree, new research finds you may want to do it earlier than later.