Dollar says that although he recommends limiting caffeine intake, other lifestyle habits are more damaging to your body.

CNN: Caffeinated moms drink up to keep up

Government advice is that pregnant women should be careful about their caffeine intake from all sources because it may effect the birth weight of their baby.

BBC: Coffee 'increases miscarriage risk'

The higher your intake of caffeine, the more likely you are to suffer from severe withdrawal symptoms, such as headaches, when denied the ingredient, according to experts.

CNN: Vital Signs health tips