Exposure to sunlight in moderation will help slow the obesity and diabetes. The scientists believe that the effects of sunlight on mice that have the same effect on people. Scientists have exposure to rats has been found to feed UV light can slow down weight gain and an alarm indicating the onset of diabetes for less such as abnormal glucose levels and resistance to insulin. Benefits of UV treatment have been linked to nitric oxide when skin is exposed to sunlight. Using creams that contain nitric oxide to fertilize mice that have the same effect as the sunlight.