Part 6/14:

• Genetic and Environmental Factors: Geography, skin tone, age, and seasonal variations influence how much vitamin D the skin can produce.

The implication is clear: relying solely on supplements ignores the body's finely tuned natural processes and environmental cues.

The Effect of Culture and Environment on Sun Habits

The modern American relationship with the sun is shaped by cultural, historical, and environmental factors:

• Historical Attitudes: Unlike sun-worshipping cultures such as those in Egypt, Greece, and India, Western societies—particularly America—have often associated pale skin with health, wealth, and privilege. The use of parasols, mineral-based creams, and sunscreen reflects a societal desire to avoid tanning.