Breast Cancer gets Worse in the Spring and Fall. But...Why?

The video explores the seasonality of diseases, including noninfectious ones like breast cancer, which show seasonal patterns. It discusses how environmental factors like sunlight and temperature influence diseases such as skin cancer and cardiovascular disease. The video also examines the role of hormones, vitamin D, and melatonin in breast cancer seasonality, highlighting the complexity of these interactions and the need for further research.

What new insight or understanding did you gain from this video?