Fig. 5From: Effects of aging on serum levels of lipid molecular species as determined by lipidomics analysis in Japanese men and womenDifferences in serum levels of free fatty acid (FFA)s in young and elderly (a) men and (b) women. The log10 fold changes in FFAs are shown. *, P < 0.05. Positive values indicate lipid level higher in elderly. Negative values indicate lipid level higher in youngBack to article page