You and his team analyzed data from 175 countries and territories?"in other words, almost the whole world?"and used various statistical methods to "explore and compare the correlations between newborn life expectancy … life expectancy at five years of life … and intakes of meat, and carbohydrate crops, respectively. The established risk factors to life expectancy?"caloric intake, urbanization, obesity and education levels?"were included as the potential confounders." The researchers found that worldwide, meat intake was associated with a longer life. "This relationship remained significant when influences of caloric intake, urbanization, obesity, education and carbohydrate crops were statistically controlled." By contrast, consumption of carbohydrates had a weak but negative correlation with life expectancy. Blue Zones and Meat Consumption