Anyone who has worn a face mask probably knows how uncomfortable they can be from time to time, especially during those hot days of summer. Wearing one, according to numerous studies, is crucially important to halt the spread of the COVID-19, which is why they've become a valuable asset in our lives. However, since they are a relatively new addition, some questions about them need to be answered such as whether if it could be dangerous to exercise with a face mask on.

Dr. Lindsay Bottoms, a Reader in Exercise and Health Physiology at the University of Hertfordshire, experimented with a face mask and gas analyzer to get to the bottom of this issue.