- StyleLauren Clark
Happiness declines in our 30s but rises again to peak aged 82, according to a neuroscientist
Younger generations can have "too high expectations"
- StyleCaroline Allen
Great grandmother celebrates 100th birthday with 'When You're Smiling' rendition
The video shows the birthday girl singing surrounded by her friends and family.
- StyleFrancesca Specter
Woman's new year 'happiness jar' goes viral
Try this as an alternative to your new year's resolution.
- StyleFrancesca Specter
Happiest photos of the year: Heartwarming images from around the world
The top 50 photographs showcase talent from 19 different countries across five continents.
- StyleJayne Cherrington-Cook
How to be happy: Lessons from Gaby Roslin
The TV presenter says she refuses to apologise for being happy
