Tiny brain change that reveals if you are a 'cold-blooded killer' discovered
- Posted on July 4, 2026
- By The Daily Star
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- 1 min read
Tiny brain change that reveals if you are a 'cold-blooded killer' discovered
Boffins have found that cold-blooded killers have a shrunken amygdala, a brain defect linked to a lack of guilt and a higher risk of premeditated murder
