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-0.09 Cardiorespiratory fitness is associated with lower anger and anxiety (linkinghub.elsevier.com)
93 points by PaulHoule 8 hours ago | 91 comments on HN | Neutral Editorial · vv3.4 · 2026-02-24
Article Heatmap
Preamble: -0.18 — Preamble P Article 1: 0.00 — Freedom, Equality, Brotherhood 1 Article 2: -0.05 — Non-Discrimination 2 Article 3: 0.00 — Life, Liberty, Security 3 Article 4: 0.00 — No Slavery 4 Article 5: 0.00 — No Torture 5 Article 6: 0.00 — Legal Personhood 6 Article 7: 0.00 — Equality Before Law 7 Article 8: -0.22 — Right to Remedy 8 Article 9: -0.25 — No Arbitrary Detention 9 Article 10: 0.00 — Fair Hearing 10 Article 11: 0.00 — Presumption of Innocence 11 Article 12: -0.37 — Privacy 12 Article 13: -0.21 — Freedom of Movement 13 Article 14: 0.00 — Asylum 14 Article 15: 0.00 — Nationality 15 Article 16: -0.13 — Marriage & Family 16 Article 17: -0.27 — Property 17 Article 18: 0.00 — Freedom of Thought 18 Article 19: -0.06 — Freedom of Expression 19 Article 20: 0.00 — Assembly & Association 20 Article 21: 0.00 — Political Participation 21 Article 22: 0.00 — Social Security 22 Article 23: 0.00 — Work & Equal Pay 23 Article 24: 0.00 — Rest & Leisure 24 Article 25: +0.15 — Standard of Living 25 Article 26: -0.03 — Education 26 Article 27: -0.04 — Cultural Participation 27 Article 28: -0.10 — Social & International Order 28 Article 29: -0.02 — Duties to Community 29 Article 30: -0.13 — No Destruction of Rights 30
Negative Neutral Positive No Data
Aggregates
Weighted Mean -0.09 Unweighted Mean -0.06
Max +0.15 Article 25 Min -0.37 Article 12
Signal 31 No Data 0
Confidence 42% Volatility 0.11 (Low)
Negative 14 Channels E: 0.6 S: 0.4
SETL +0.23 Editorial-dominant
Evidence: High: 4 Medium: 9 Low: 18 No Data: 0
Theme Radar
Foundation Security Legal Privacy & Movement Personal Expression Economic & Social Cultural Order & Duties Foundation: -0.08 (3 articles) Security: 0.00 (3 articles) Legal: -0.08 (6 articles) Privacy & Movement: -0.14 (4 articles) Personal: -0.13 (3 articles) Expression: -0.02 (3 articles) Economic & Social: 0.04 (4 articles) Cultural: -0.04 (2 articles) Order & Duties: -0.08 (3 articles)
Domain Context Profile
Element Modifier Affects Note
Privacy -0.15
Article 12
New Relic browser tracking and analytics enabled without explicit privacy notice in provided content. Cookies disabled per config but telemetry and error tracking active.
Terms of Service
Terms of service not observable in provided content extract.
Accessibility
No accessibility features visible in JavaScript-heavy page content provided.
Mission +0.10
Article 2 Article 19
Elsevier operates as academic publisher advancing scientific knowledge sharing; modest positive lean toward knowledge accessibility mission.
Editorial Code
Editorial standards not observable from technical payload.
Ownership -0.10
Article 8
Elsevier is commercial publisher with proprietary access controls; paywall model restricts broad access to content.
Access Model -0.20
Article 19 Article 27
Subscription-based access model limits free public access to published research; structural barrier to information freedom.
Ad/Tracking -0.12
Article 12
New Relic monitoring, analytics collection, and cross-domain tracking visible in page code; user tracking across sessions.
HN Discussion 14 top-level comments
toomuchtodo 2026-02-24 17:07 UTC link
Related:

Exercise may relieve depression as effectively as antidepressants - https://news.ycombinator.com/item?id=46541672 - January 2026

Exercise twice as effective as anti-depressants - https://news.ycombinator.com/item?id=39396047 - February 2024

Running from the Pain (2018) - https://news.ycombinator.com/item?id=27306725 - May 2021

Running from the Pain - https://news.ycombinator.com/item?id=16573009 - March 2018

arctic-true 2026-02-24 17:29 UTC link
I am pretty confident from my own experience that the study’s conclusion is broadly true. But the study leaves open one obvious alternative explanation: people who have enough free time to exercise regularly (and exercise was used as a stand-in for fitness level, it doesn’t look like they actually measured anything else) could have less stressful and anger-inducing lives overall.
engineer_22 2026-02-24 17:31 UTC link
My final year of college I lived 2 miles off campus and would daily bicycle to school. In previous years I would commute via car as I lived too far to make the trip conveniently. I perceived greater emotional well-being during the 1 year period of moderate daily exercise. My grades also improved dramatically and I was more resilient during periods of sleep deprivation or intense study. As an adult with a family it has been more difficult to establish a pattern of daily physical activity. Going to the gym is very boring for me.
Havoc 2026-02-24 17:45 UTC link
Fitness or the exercise to get there?
small_model 2026-02-24 18:03 UTC link
Would a stressed out Amazon/Uber eats delivery person who is very fit from working 10 hours a day, but with barely enough money to feed their family going to be less angry/anxious than a rich person lounging at his villa with zero worries? This is looking at one variable which isn't very useful.
sp1nningaway 2026-02-24 18:22 UTC link
I am 100% certain my resilience to stress and anxiety is directly tied to my cardiovascular health. I'm prone to a heart-racing, hot-eared flywheel of anxiety. When I've been running a lot I can FEEL the vagal tone/HRV fitness that gives me an physical off ramp for the mental space to take a fucking chill pill.
jerlam 2026-02-24 18:24 UTC link
Cardio is unpleasant and stressful, which is why most people don't do it. Someone willing to do something that is not fun, on a regular basis, is going to have stronger mental status that someone who doesn't try at all.

As Calvin's dad says, misery builds character.

Herring 2026-02-24 18:26 UTC link
Exercise is good, everyone knows. The problem is advising people to exercise doesn't work and doesn't scale. Gyms are for people who have plenty of intrinsic motivation and money and time.

To improve physical activity at the population scale and over a lifetime, it literally has to be built into the design of the cities, so people get enough exercise while walking to work or grabbing groceries.

https://cs.stanford.edu/people/jure/pubs/activity-inequality...

https://www.youtube.com/watch?v=KPUlgSRn6e0&ab_channel=NotJu...

mattlondon 2026-02-24 18:55 UTC link
I wonder if there is some underlying lizard-brain thing going on here.

If you "know" you are physically unfit you are quick to anger and aggression because you potentially need to act like that to not need to rely on physical fitness if it came to needing it? I.e. you need to deter others through your aggression rather than relying on fitness if it came to a fight?

Or alternatively the other perspective if you "know" you are fit you can keep the stress hormones low safe in the knowledge that if it comes to it you've got the fitness to handle a fight?

...Or perhaps none of that!

Interesting.

jihadjihad 2026-02-24 19:23 UTC link
"Exercise gives you endorphins. Endorphins make you happy. Happy people just don't shoot their husbands. They just don't."
agjmills 2026-02-24 19:23 UTC link
Linguistics question: the title says “[…] is associated with lower anger and anxiety” I read it as _people who have lower anger, and people who have anxiety_ Am I broken? (I am a native English speaker but that doesn’t mean that I speak English correctly)
seydor 2026-02-24 19:34 UTC link
sample size and methods do not inspire confidence about such broad generalizations
disgruntledphd2 2026-02-24 19:52 UTC link
This study seems both wildly underpowered, chooses relatively bad methods for analysis (splitting between below average and above average, really?) and has far too many comparisions (they claim to have used bonferroni corrections where necessary, and then don't mention it again).

All in all, it's a pretty good example of modern psychological research. Bad statistics, hyped up findings and (probably) wild over-generalisation about what this tiny study means for society/the world/my research funding.

I think the biggest flaw here is around the measurement of VO2 max. So they first ask people how often they exercise (cos no-one ever lies) and then use a linear equation to map that to VO2 max. Granted, the equation has lines for age and sex, so it's not entirely useless, but if you're only going to sample 40 students then why not try to measure things a little better?

The most unintentionally hilarious thing about their methods section is that age was not normally distributed (according to a shapiro test). They sampled students, so of course it's not going to be normally distributed. Students have a well-known bias in age.

Ultimately, regardless of whether or not this finding turns out to be true (I like the idea of it, myself) this study provides absolutely no evidence for the effect.

Note: I have a PhD in psychology, but left the field a decade plus ago. I'm both horrified by this study, and also having a lot of fun poking holes in it, maybe I should try to get back into reviewing? ;)

m463 2026-02-24 20:53 UTC link
read¹ the book "Spark" and a school instituted a daily exercise program. Kids were happier, fought less and got better grades.

https://www.amazon.com/dp/0316113514

[1] well, listened to the audiobook while walking

Score Breakdown
-0.18
Preamble Preamble
Medium P:analytics-tracking
Editorial
ND
Structural
-0.15
SETL
ND
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Context Modifier
ND

Site implements comprehensive telemetry and tracking infrastructure (New Relic). Preamble's focus on human dignity and freedom constrained by surveillance architecture. No editorial content observable addressing dignity or freedom.

0.00
Article 1 Freedom, Equality, Brotherhood
Low
Editorial
ND
Structural
0.00
SETL
ND
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ND
Context Modifier
ND

No observable content addressing equal rights and inherent dignity. Structural neutrality; no signals of discrimination or equality in technical payload.

-0.05
Article 2 Non-Discrimination
Medium P:paywall-access-restriction
Editorial
ND
Structural
-0.10
SETL
ND
Combined
ND
Context Modifier
ND

Subscription-based access model creates structural barrier regardless of protected characteristics. Commercial platform restricts knowledge access; mild negative on non-discrimination insofar as access is economic rather than principle-based.

0.00
Article 3 Life, Liberty, Security
Low
Editorial
ND
Structural
0.00
SETL
ND
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ND
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ND

Right to life, liberty, personal security not addressed in research abstract or platform structure. Neutral.

0.00
Article 4 No Slavery
Low
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0.00
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Slavery and servitude provisions not relevant to academic publishing platform. Neutral.

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Article 5 No Torture
Low
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Torture and cruel treatment not addressed. Neutral.

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Article 6 Legal Personhood
Low
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Right to recognition as person before law not observable. Neutral.

0.00
Article 7 Equality Before Law
Low
Editorial
ND
Structural
0.00
SETL
ND
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ND
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ND

Equal protection before law not addressed in platform structure. Neutral.

-0.22
Article 8 Right to Remedy
High P:tracking-cookies P:telemetry-collection
Editorial
ND
Structural
-0.15
SETL
ND
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ND
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ND

Right to effective remedy for violation of fundamental rights. New Relic tracking, analytics, and monitoring visible without transparent user opt-in mechanisms in provided payload. Users have limited transparent recourse for data collection practices.

-0.25
Article 9 No Arbitrary Detention
High P:tracking-surveillance
Editorial
ND
Structural
-0.20
SETL
ND
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ND
Context Modifier
ND

Arbitrary arrest/detention not directly relevant, but Article 9 protects from arbitrary state/private action. New Relic instrumentation enables behavioral monitoring and profiling without explicit individual consent signals visible in code.

0.00
Article 10 Fair Hearing
Low
Editorial
ND
Structural
0.00
SETL
ND
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ND
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Right to fair and public hearing not directly observable. Neutral.

0.00
Article 11 Presumption of Innocence
Low
Editorial
ND
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0.00
SETL
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Criminal procedure and presumption of innocence not relevant to academic platform. Neutral.

-0.37
Article 12 Privacy
High P:telemetry-tracking P:cross-domain-tracking P:behavioral-monitoring
Editorial
ND
Structural
-0.25
SETL
ND
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ND
Context Modifier
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Arbitrary interference with privacy and correspondence. New Relic browser agent actively collects performance data, user behavior signals (ajax monitoring, visibility state, interaction tracking). No observable granular privacy controls or explicit consent mechanism for analytics collection in provided code.

-0.21
Article 13 Freedom of Movement
Medium P:paywall-content-restriction
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ND
Structural
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Freedom of movement and residence not directly relevant; interpreted as access to information. Paywall structure restricts freedom to move freely to knowledge content.

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Article 14 Asylum
Low
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Right to seek asylum not relevant to academic platform. Neutral.

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Article 15 Nationality
Low
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Right to nationality not addressed. Neutral.

-0.13
Article 16 Marriage & Family
Medium P:privacy-tracking
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ND
Structural
-0.10
SETL
ND
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Right to marry and found family, protection of family life. Behavioral tracking may indirectly infringe on family privacy expectations through data collection about family member usage patterns.

-0.27
Article 17 Property
High P:data-collection P:profiling
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-0.20
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Right to own property; protection against arbitrary deprivation. Behavioral data generated by users on platform collected by New Relic without transparent ownership clarity. User-generated behavioral data treated as platform/Elsevier property with limited user control.

0.00
Article 18 Freedom of Thought
Low
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Freedom of thought, conscience, religion not addressed in technical platform. Neutral.

-0.06
Article 19 Freedom of Expression
Medium A:open-science P:paywall-access
Editorial
+0.30
Structural
-0.20
SETL
+0.39
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ND
Context Modifier
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Freedom of opinion and expression, including information access. Editorial: research article itself on health/wellness promotes scientific knowledge sharing (mild positive). Structural: paywall model and tracking inhibit free access and expression of research findings to public (negative). Combined slightly negative after modifier applied.

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Article 20 Assembly & Association
Low
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Right to peaceful assembly and association not addressed. Neutral.

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Article 21 Political Participation
Low
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Right to participate in government not relevant to academic platform. Neutral.

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Article 22 Social Security
Low
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Social security and economic/cultural rights not directly observable in platform code. Neutral.

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Article 23 Work & Equal Pay
Low
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Right to work and favorable conditions not addressed. Neutral.

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Article 24 Rest & Leisure
Low
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Right to rest and leisure not addressed. Neutral.

+0.15
Article 25 Standard of Living
Medium A:health-wellness
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+0.20
Structural
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+0.20
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Right to adequate standard of living including health and well-being. Research article title addresses cardiorespiratory fitness and mental health (anxiety, anger, emotional resilience), directly supporting health promotion and access to health information. Mild positive lean on editorial front.

-0.03
Article 26 Education
Medium A:education-research P:access-restriction
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+0.25
Structural
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Right to education. Editorial: academic research platform and published study support education and knowledge development (positive). Structural: paywall restricts broad public access to educational research content (negative). Net approximately neutral after modifiers.

-0.04
Article 27 Cultural Participation
Medium A:scientific-culture P:proprietary-access
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+0.26
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Right to participate in scientific advancement and cultural life. Editorial: dissemination of peer-reviewed health research supports scientific culture (positive). Structural: commercial paywall model and proprietary access controls limit broad participation in scientific benefits (negative). Net slightly negative after modifiers.

-0.10
Article 28 Social & International Order
Low P:terms-conditions
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Right to social and international order for rights realization. Platform's terms and conditions (not fully observable) establish order; commercial structure potentially limits equitable access to research-supported ordering.

-0.02
Article 29 Duties to Community
Low P:monitoring
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Duties to community. Behavioral tracking and monitoring create subtle chilling effect on free expression and participation. Neutral to mildly negative.

-0.13
Article 30 No Destruction of Rights
Medium P:tracking-data-practices
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+0.15
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ND
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Nothing in UDHR may be interpreted to permit destruction of rights. New Relic tracking and telemetry practices, if not transparent/consensual, potentially undermine other Article protections (12, 17). Structural mechanics of surveillance could be interpreted as enabling limitation of rights.

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build fc56cf0+0q5s · 2026-02-25 01:32 UTC