Discover the importance of Vitamin D in this engaging H5 presentation crafted by Eqxiu.com. Learn about the sources of Vitamin D, including sunlight exposure and dietary intake, and understand the current prevalence of Vitamin D deficiency in regions such as Europe, America, and China. Explore the metabolic pathways of Vitamin D and its primary physiological functions, which include bone metabolism regulation, calcium and phosphorus absorption promotion, and the prevention of skeletal diseases like rickets in children, osteomalacia in adults, and osteoporosis in the elderly. The presentation also highlights the link between Vitamin D deficiency and an increased risk of diseases such as diabetes, immune system disorders, and mental health issues. With Eqxiu.com's online design tools and a variety of templates, users can quickly and easily create informative and visually appealing H5 content to raise awareness about this vital nutrient.