New research led by Prof. Eran Segal's and Dr. Eran Elinav's research unit indicates a drastic difference in blood sugar levels between two individuals on an identical diet. This may explain why some struggle to lose weight while others, on the same diet, stay lean and fit. The scientists even developed an algorithm that can calculate one's blood sugar level based on his or her biology and lifestyle.

This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx