Overview

• Researchers from Harvard and CSB analyzed dietary data from 185 countries.
• The study identified iodine, vitamin E, calcium, and iron as the most deficient nutrients.
• Women are more likely to lack iodine, vitamin B12, iron, and selenium.
• Men are more likely to have insufficient magnesium, vitamin B6, zinc, and vitamin C.
• The findings highlight the need for targeted nutritional interventions worldwide.