Many processes in our body don't depend on us, but are rather caused by genetic features or age-related changes. This is also true for our vision. However, there are certain factors that we can work to control.
There's a thing called circadian rhythm. What is it? Each of us have an internal biological rhythm with a period of about 24 hours — the circadian rhythm. The circadian rhythm regulates our sleep and wake cycle, cognitive functions, appetite, and a bunch of other physiological functions like body temperature, hormone levels, and metabolism.
Just a few hundred years ago, especially in rural areas of developing countries, there was little to no standard medical care like what we have today available to the public. People generally relied on natural products for their healthcare needs, using the leaves, bark, roots, seeds, and fruits of plants to create a variety of different preparations for therapeutic purposes.
When it comes to skincare, protecting your body's largest organ (which is, of course, your skin) goes beyond the surface. Countless topical products promise to nurture your skin with all sorts of essential vitamins and minerals while simultaneously guarding it against harsh weather, aging, bacteria, UV light, and so forth.