What are some rules that you must not do while driving a car?

How do the uv rays cause damage?   what exactly causes the skin to burn;   can you be more specific about this mechanism?   3. how do photosensitive medications increase a person's sensitivity to sunlight and therefore increase their risk of getting burned?     what kind of medications can increase photo-sensitivity, can you think of some examples?

According to federal dietary guidelines which of these foods is overconsumed

How can we use food appropriately? to prevent food , it is important that you also avoid .