Abstract
Where is the friend's home?
Highlights
Edited by: Marshall Abrams, University of Alabama at Birmingham, USA Reviewed by: Sergio Tofanelli, Università di Pisa, Italy
Using Framingham Heart Study (FHS) data, Christakis and Fowler (2014) showed that friends had more extended genetic correlation than strangers had. This finding may suggest that friends are “functional kin.”
This note demonstrates that (1) high genetic similarity between friends is possible if a person finds friends from his/her own cultural background, which is a surrogate for genetic similarity, or (2) low genetic similarity is possible if a person finds friends from a different cultural background
Summary
Edited by: Marshall Abrams, University of Alabama at Birmingham, USA Reviewed by: Sergio Tofanelli, Università di Pisa, Italy. Phs000153.v7.p6), Christakis and Fowler (2014) showed that friends had more extended genetic correlation than strangers had. Christakis and Fowler reported that between friends there is positive/negative genetic correlation at the single nucleotide polymorphism (SNP) level, indicating heritability of friendship.
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