One of the
many benefits of the sun to plants and animals on Earth is its role as a
natural vitamin source. When the skin receives ultraviolet rays, vitamin D is
synthesized and plays many important functions of the human body. One of the
vitamin D deficiencies has been known to cause obesity. Therefore,
supplementing vitamin D through UV light can prevent some of the risk of
<Fig 1. Sunlight and Vitamin D>
However, recently, Australian researchers have found
that the anti-obesity effect of UV is not related to vitamin D.
Ultraviolet-induced weight loss was not seen when vitamin D supplemented
without ultraviolet light.
As the sun's
UV rays make natural vitamin D and prevent obesity, getting an
adequate amount of sunlight every day
will help your health in many ways.
<Fig 2. Health Benefits of Sunlight>
A-Young Lee Ph.D
Head of Our Healthcare Committee
* Next week’s topic: Wave property of light
You can find "Interesting Story about Light Science” series on the link below.