Genius Foods

bile acids, 125–26
blood-brain barrier breakdown, 193–94
blood lipids, 131, 133, 342
blood sugar, 70n, 71–72, 101, 157–58
blueberries, 84, 89–90, 292, 293, 318
Blue Zones, The (Buettner), 259–60
bone broth, 176
brain
overview, 13, 17–18
blood-brain barrier breakdown, 193–94
cleaning system at work during sleep, 100–101, 249–51,
316
communicating with the gut via the vagus nerve, 180
composition of, 32–33
executive function, 18–19, 42–43, 222–23, 238–40
and exercise, 273
in fat-adapted state, 160, 256–57, 266, 305, 315, 318
glymphatic system, 100–101, 249–51, 265
inflammation in brain tissue, 38–39
locus coruleus, 232
membranes, 40–41, 54, 337
myelin sheath, 47, 124, 286–87
protection from gut contents, 191–96
research, 18–19
and saturated fat, 51–53
undermining efficiency of, 13–14
See also individual parts of the brain
brain antagonists
aldehyde plaque, 36
amyloid plaque, 25, 82, 100–101, 265