Grit, Self-Efficacy, Motivation and the Readiness to Change Index Toward Exercise in the Adult Population.

This study examined the relationships between grit personality, self-efficacy, motivation (autonomous, controlled, and amotivation), and the readiness to change index toward exercise. Participants were 391 adults aged between 18 and 64 years old ( = 31.16; = 12.

High prevalence of ultrarapid metabolizers in a mestizo Colombian population in relation to Hispanic mestizo populations.

Interethnic differences in allele frequency have been demonstrated across Latin-American countries. Only one previous study describing genotypes in Colombian population has been performed. Thus, this study aimed to evaluate the genetic variability in a mestizo Colombian population, as well as the similarities and differences concerning other Hispanic mestizo (HM) populations.