Assertion: addict's brain | /r/HasProperty | evolved a reward system
Facets:
value: dearly
type: MANNER
Source sentences:
text: The inescapable fact is that nature gave us the ability to become hooked because the brain has dearly evolved a reward system, just as it has a pain system," says physiologist and pharmacologist Steven Childers, Ph.D., of Bowman Gray School of Medicine in North Carolina.