Professors Rajshri Jayaraman from ESMT Berlin and Tanika Chakraborty from the Indian Institute of Technology studied the effects of India's midday meal scheme, the world's largest free school lunch program, feeding over 120 million children every day.
"The effect of nutrition appears to be cumulative, seen over time," says Professor Jayaraman. "Previous studies have varied between two weeks and two years, and failed to capture the important impact -- our research shows that the real benefit of school lunches was seen in children exposed for two to five years."
This is the longest and largest study into...
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