October 2009 PMID 19666694

Evidence for a release of brain-derived neurotrophic factor from the brain during exercise.

Peter Rasmussen, Patrice Brassard, Helle Adser, Martin V Pedersen, Lotte Leick, Emma Hart, Niels H Secher, Bente K Pedersen, Henriette Pilegaard

Download social card

Mentions

Peak: 3 in Jun 2024

across 4 sources since Apr 2016

Extended reach

119,940

potential audience

Total likes

4,278

Video views

118,764

Mentions per month

Apr 2016 – Jun 2024

Where it's discussed

YouTube4 videos
News4 articles
X / Twitter2 posts
Blogs2 articles

AI synopsis

What people are saying

The social discussions vary from highly specific evaluations of the research—such as references to BDNF release mechanisms and exercise effects—to more general topics like sleep behaviors, indicating a moderate level of interest and engagement. The tone shifts from curiosity to skepticism, reflecting mixed reactions about the study's significance and application, with some posts using assertive language about brain health and others questioning the real-world relevance.

AgreementNeither agree nor disagree

Discussions reflect mixed views, with some posts endorsing the scientific validity of the research, while others adopt a skeptical tone or ignore the findings altogether.

InterestModerate interest

Posts show moderate curiosity, with at least one expressing enthusiasm about how exercise influences brain health, but others focus on sleep-related topics, indicating varied levels of engagement.

EngagementModerate engagement

Several discussions include referencing the mechanisms of BDNF release and implications for brain function, suggesting active engagement, though some comments remain superficial or tangential.

ImpactNeutral impact

The discussions do not suggest an immediate or widespread impact, as the conversation broadly touches on broader health topics like sleep and mental clarity without explicitly linking back to the scientific study.

Abstract in brief

The study found that the brain releases BDNF into the bloodstream during exercise, with levels increasing two to three times compared to rest.
The brain contributes about 70-80% of circulating BDNF both at rest and during exercise, but this contribution decreases after an hour of recovery.
In mice, exercise causes a significant increase in BDNF mRNA in the hippocampus and cortex, peaking a couple of hours after exercise ends, highlighting these brain areas as key sources of BDNF during physical activity.]

Read the full abstract