Derval O'Rourke: The search for a key to happiness - could it be my roasted red-pepper hummus?
Derval O'Rourke's roasted red-pepper hummus
In 1938, Harvard embarked on a decades-long study to answer what makes us happy in life and helps us to live longer.
With almost 1,000 participants in the study, with different socio-economic backgrounds and living in different areas, researchers came to the conclusion that what makes us most happy in life is not necessarily the money we make or the careers we choose but the relationships we forge with our loved ones.
