PsychologyJuly 17, 2026

exerkines

ɛɡˈzɜːrkaɪnz

Definition

Biological signaling molecules that are secreted into the bloodstream by various tissues specifically in response to physical exertion.

Etymology

The term is a portmanteau of the English 'exercise' and the Greek-derived suffix '-kine' (from 'kinesis,' meaning movement or motion). It was coined in scientific literature to categorize the diverse chemical messengers mobilized during physical activity.

In the news

In this article, exerkines like endocannabinoids and BDNF are discussed as the physiological mediators that link physical activity to improvements in mood, stress regulation, and potential memory enhancement. Researchers measure these molecules to understand the biological mechanisms behind the mental health benefits of exercise.

How different types of exercise impact mood and brain chemistry

Read the full article ↗

PsyPost

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