There are many facts which are related to Sunlight and puts some good and some bad effects on humans. Some of them are:

>> It provides us with ample amount of vitamin D which is very good for enhancing the intestinal absorption of calcium and phosphate.
>> Excessive exposure to the Sun can cause Skin cancer as it emits UV Rays, although small amounts of UV radiation are beneficial
>> Excessive exposure to the Sun can also cause sunburn.