chronic ketosis,    157,    172
chronic stress
overview,   23, 260–61, 266,    270
amygdala    activation, 261–63
growth  hormone depletion   from,   259
and hippocampus,    275–76
and increased   intestinal  permeability,   196
and insulin sensitivity,    108
meditation  vs.,    110,    217,    239,    264
stress-abating  tips,   263–64
viseral fat from,   263
circadian   rhythm, 252,    259
Circulation (journal),  85
CLA (conjugated linolenic   acid),  53
clock-drawing   test,   168–70
Clostridium difficile,  185–86
cocaine,    227
cocoa   flavanols,  115
coconut,    120
coconut oil,    165–66, 167–70, 172,    316
coenzyme    Q 10    (CoQ 10 ),  139
coffee, 291,    304,    317
cognitive   function
overview,   17–18,  19
anticholinergic drugs   vs.,    218–19, 314
and astaxanthin,    342
and blueberry   consumption,    89
and cholesterol,    124–25
chronically elevated    insulin vs.,    113
and creatine,   153–54
