Kathmandu. Our body needs Vitamin 'D' very much, it plays an important role in building muscles and keeping bones strong.By staying in the sun's rays, we get Vitamin D naturally, but by changing diet and lifestyle, the deficiency of Vitamin D can be easily fulfilled.Sunlight helps the body produce Vitamin D. Doctors say that Vitamin D plays an important role in keeping our bones and muscles strong. It increases the absorption of calcium in the body, which is essential for bone health. Vitamin D also contributes to strengthening immunity, reducing inflammation, and many other essential bodily functions. If a person...