Fat metabolism, which sometimes has been a neglected field of clinical and biochemical interests, has recently been making very rapid advances along several now converging, now separating lines. Better understanding of fat metabolism may shed useful light on America's increasingly heavy problem of obesity. Investigation into the still mysterious problems of arteriosclerosis and some of the metabolic derangements of diabetes is the best hope for light on problems which have not yielded their secrets so far.
Knowledge is advancing so rapidly that a symposium such as this is very useful to help the person not working on the subject to get a close view. This is especially helpful since the last few years have seen an extraordinary burst of success in experiments designed to unravel enzymatic mechanisms of fatty acid synthesis and oxidation. The outlines of the picture are now beginning to take definite, and perhaps definitive, form. The table