Vitamin A deficiency is the largest cause of blindness in the world, and it can be lethal in severe cases. This vitamin deficiency affects almost one-third of the world's preschool-aged children and is especially widespread in Sub-Saharan Africa and South Asia.
Washington D.C. [U.S.A], Jan 30 (ANI): In a significant new research, scientists have found a new potential therapeutic agent, diphenyleneiodonium chloride (DPI), which effectively switches off cancer stem cells, preventing their proliferation.