The effect was statistically independent of cholesterol levels.

FORBES: Divining Disease

In one study of 1, 740 men with high cholesterol, Scottish researchers found that men with high levels of the Lp-PLA2 enzyme had twice the risk of heart attacks, an effect that was statistically independent of their cholesterol levels.

FORBES: On The Cover/Top Stories

In May 2007, my colleague Kathy Wolski and I published an independent analysis of Avandia in the New England Journal of Medicine (NEJM), showing a statistically significant 43% increase in heart attack.

FORBES: Steven Nissen: The Hidden Agenda Behind The FDA's New Avandia Hearings

Although the connections we show of inequality to life expectancy, infant mortality and homicide are slightly weaker (though still statistically significant with correlations of between 0.4 to 0.6), there are an additional 200 independent analyses that chart the link between health and inequality and another 50 between violence and inequality.

ECONOMIST: Letters