UV light plays a complex role in health, particularly in the production of vitamin D, which is crucial for bone and immune health. As darker-skinned individuals move to higher latitudes, they often face vitamin D deficiencies due to reduced UVB exposure. The conversation highlights the importance of this nutrient, linking it to various bodily functions, including sperm motility and immune response. Additionally, chronic stress may stem from nutrient deficiencies, suggesting a deeper connection between diet and overall well-being.
