The hunter gather types also didn't have industrialization, modern medicine, antibiotics, and modern homes. Courting could also be deadly. They also had to capture and kill their own food.
Your less likely to get burned from the sun if your O3 to O6 fatty ratio is 1:1 to 1:4.
Your less likely to get burned from the sun if your O3 to O6 fatty ratio is 1:1 to 1:4.