Part 7/13:
Seahol highlights how seasonal surges in diseases like influenza and cardiovascular events align with the shortest days of the year — winter, when sunlight is scarce. Conversely, in countries like Australia, the peak in deaths occurs during winter months, supporting the role of sunlight as a natural, seasonal health modulator.
Furthermore, studies on the "Green Heart" in Kentucky showed that increasing urban green spaces and trees not only improved mental health but also decreased systemic inflammation markers (like hs-CRP), directly linked to stroke and heart attack risk.