New Delhi: Vitamin D is the most common deficiency, affecting over 60 per cent of people with diabetes, according to a global analysis published in the British Medical Journal (BMJ) Nutrition Prevention and Health. The analysis, based on 132 studies conducted between 1998 and 2023 involving more than 52,000 participants, also found that magnesium deficiency affects 42 per cent of people with diabetes, while 28 per cent suffer from iron deficiency. Researchers, including those from the Ind