Richard Weller: Could the sun be good for your heart?

The speaker shares their journey from general medicine to dermatology, highlighting health disparities between Australia and Britain. They explore the role of vitamin D and sunlight in health, particularly in reducing heart disease. The speaker's research focuses on nitric oxide, a molecule that dilates blood vessels and lowers blood pressure. Experiments show that sunlight exposure increases nitric oxide levels, benefiting cardiovascular health. The talk concludes with a call to balance sunlight exposure for optimal health benefits.

What are the potential health benefits of sunlight exposure mentioned by the speaker?

What conclusion does the speaker draw about the north-south health divide in Britain?

What does the speaker suggest about the relationship between diet and nitric oxide levels?

What is the speaker's perspective on the risks and benefits of sunlight?