Page 12

nergy Drinks: Fizz & Facts Part 2

Dr Warrick Bishop

E

nergy drinks are not only consumed by sportspeople but also by young adults and teenagers. In the previous edition of Great Health GuideTM, the main reason for this high consumption of energy drinks is for a boost in energy. These drinks promote wakefulness, maintain alertness and possibly help with cognitive function and mood enhancement. But what are the health risks associated with consuming large quantities of these energy drinks which have large amounts of caffeine and sugar?

THE CARDIOVASCULAR SYSTEM. One of the most notable adverse effects of these energy drinks, is on the cardiovascular system where the caffeine has a significant effect on increase of heart rate and arterial blood pressure. This might be an acceptable side effect 12 | GREAT HEALTH GUIDE

in small doses, but there is observational data to suggest that high doses of caffeine can lead young patients into an abnormal heart rhythm. These changes can lead to problems with rhythm and even risk of death. This is from a direct effect of the caffeine on the electrical cells of the heart.

THE ENDOTHELIAL LINING OF THE ARTERIES. Caffeine also affects the special lining of the arteries that supply blood to the heart. This lining of arteries allows transfer of nutrients from the bloodstream into the tissues. But it also has a special ‘Teflon’ lining, that keeps the blood flowing through the arteries without any of the components or particles of the blood sticking to the wall of the artery. This lining of the arteries is called ‘endothelium’. Some research has shown that high doses of caffeine, as seen in excessive use of energy drinks, can have an impact on the SUBSCRIBE

Profile for Great Health Guide

Great Health Guide: November/December 2019  

Featuring: Zero Waste Living: Part 2 Your Baby & Solid Foods Gut Bacteria & Your Food Choices Travelling Abroad: Keep it Simple Who Decides...

Great Health Guide: November/December 2019  

Featuring: Zero Waste Living: Part 2 Your Baby & Solid Foods Gut Bacteria & Your Food Choices Travelling Abroad: Keep it Simple Who Decides...