We all occasionally enjoy a soothing cup of tea or a warming mug of coffee during the day to keep ourselves energised and refreshed. It is the caffeine in these beverages that keeps us awake and focused. However, it’s easy to become over-dependent on caffeine and lose track of your daily intake.

How much coffee is too much coffee?

A cup of coffee in the evening may be keeping you awake for more reasons than you realise, scientists say.

Drinking a few cups of coffee a day may help people avoid clogged arteries - a known risk factor for heart disease