In environments where the sun’s rays are much less intense, the problem for the human body face, especially in terms of natural selection is not enough sunlight penetrating the skin to enable the production of Vitamin D.
It has long been understood that vitamin D, a fat-soluble vitamin, aids in the body's absorption and retention of calcium and phosphorus, both of which are essential for bone development. Additionally, research in the lab demonstrates that vitamin D helps lessen inflammation, manage infections, and slow the growth of cancer cells.
Fish, sun-exposed mushrooms, fortified milk, fortified milk substitutes, fortified tofu, fortified yogurt, fortified breakfast cereals, fortified orange juice, pork chops, and eggs are some foods that are high in vitamin D. According to another research, the likelihood of sleep problems was inversely related to vitamin D levels.
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