Most replayed moment: How to Balance Sunlight and Suncream | Professor John McGrath

Professor John McGrath joins Jonathan Wolf to discuss the complex relationship between sunlight and our skin. While sun exposure can damage DNA and increase skin cancer risk, it also plays a vital role in cardiovascular health and releasing feel-good endorphins.

Professor John McGrath discusses the double-edged sword of sunlight, explaining how it benefits heart health while posing risks of skin cancer. He outlines a simple three-step daily skincare routine involving cleansing, moisturizing, and applying sunscreen with at least SPF 30 and UVA protection.

Professor John McGrath explains that SPF ratings are calculated using much thicker applications in laboratory settings than what people use in real life. He recommends applying a generous amount of sunscreen repeatedly every two to three hours to protect against both skin cancer and aging.