The answer is; the melanin in darkly pigmented skin protects DNA from UV radiation, and UV radiation can cause skin cancer
In Africa, due to its equatorial latitude location, receives direct sunlight at more or less 90 degrees most of the year. These highly concentrated rays increase the UV radiation exposure that can cause damage to cell DNA. Selection pressure, therefore, favored individuals with high melanin concentrations that protect against UV. Therefore population evolved towards high melanin densities in the skin.
Unfortunately, no, all I know about it is that it causes extreme damage.
It's fused into natural mixes by autotrophs and enters the dirt when living beings die.
You notice pest droppings in various locations of your home. There is clear evidence of nesting in your home from various rodents. Holes and gnaw marks have appeared on your floors, cabinets, or walls. Complaints from neighbors regarding several rodents or other insects running amuck
Corpus callosum <span>is the thick band of neurons that connects cerebral hemispheres</span>