They reported that the 2-12 month group had signficantly lower serum thiol levels, and the 1-6 year group was significantly higher levels, with a p-value of 0.001.
The correlation between chocolate consumption and Nobels is remarkably strong, with a p-value less than 0.0001, meaning that the odds that this is due to chance are less than 1 in 10, 000.