By Newsbreak Producer Matthew Veeran - Medical experts are raising concerns over a silent rise in severe vitamin D deficiencies, particularly among young people and women who often experience no obvious early symptoms before sudden complications occur. While sunlight exposure remains the primary source of the essential nutrient, factors such as reduced outdoor activity, seasonal changes and skin pigmentation are leaving a growing portion of the population with critically low levels. Health professionals are now calling for updated deficiency thresholds and widespread food fortification to prevent any long-term bone disease and protect future generations. Matthew found out more in this week's Medical Monitor...