Peanut butter can be used in a simple smell test to help detect Alzheimer’s disease.

Some rituals, like knocking on wood, may actually help you avoid “bad luck”.

Making eye contact may not always be the positive thing we believe it to be.

The shape of your wine glass can determine how much you will drink.

Lunch breaks can leave you revitalised for the afternoon’s work but only under certain conditions.

Fans’ food choices change significantly depending on whether their team wins or loses.

Ageing does involve some cognitive decline but there are compensations.

The brains of ballet dancers change in ways that support their art.

Anxiety alters the way you perceive odours.

A big breakfast can help blood sugar control for type 2 diabetic people.

Women who eat nuts as teenagers have a reduced chance of breast lumps.

Men with wide faces have an impact on the behaviour of others.