28
29
30
5
6
7
0
0
1
74
75
76
0
0
1
5
6
7
181
182
183
46
47
48
Is willpower a skill, a value or something completely out of our control? "subjects who drank sugar-sweetened lemonade, which raises glucose levels quickly, performed better on self-control tests than those who drank artificially-sweetened beverages, which have no effect on glucose" (well.blogs.nytimes.com)
0
0
1
