Environ Health July 2009 PMID 19638195

Effect of sunlight exposure on cognitive function among depressed and non-depressed participants: a REGARDS cross-sectional study.

Shia T Kent, Leslie A McClure, William L Crosson, Donna K Arnett, Virginia G Wadley, Nalini Sathiakumar

Mentions

39
Peak: 3 in Aug 2022
across 8 sources since Jul 2009

Extended reach

51,210
potential audience

Total likes

34

Video views

22,673

Mentions per month

Jul 2009 – Dec 2025

Where it's discussed

  • News14 articles
  • X / Twitter13 posts
  • Instagram4 posts
  • YouTube3 videos
  • TikTok2 posts
  • Facebook1 posts
  • Reddit1 posts
  • Blogs1 articles

AI synopsis

What people are saying

Discussions highlight the connection between sunlight and cognitive function, mentioning examples like sunlight improving mood and cognition, and referencing biological explanations involving serotonin and melatonin. The tone varies from supportive to curious, with phrases such as 'sunlight has been shown to increase cognitive function' and 'may shift the battleground,' illustrating both acceptance and ongoing debate about its practical significance.

AgreementModerate agreement

Many discussions acknowledge the study's findings about the positive effects of sunlight on cognition and mood, showing general support.

InterestHigh interest

The discussions display strong curiosity about the biological mechanisms and practical implications, indicating high interest.

EngagementModerate engagement

Participants reference multiple factors such as biological pathways, environmental influences, and potential behavioral changes, reflecting moderate depth of engagement.

ImpactModerate impact

While some emphasize the significance for mental health and aging, the overall tone suggests recognition of moderate impact, though not universally transformative.

Abstract in brief

  • The study investigated how sunlight exposure influences cognitive function and depression, suggesting that sunlight affects mood and cognition through biological pathways involving serotonin, melatonin, and brain structures like the suprachiasmatic nuclei.
  • It analyzed data from 16,800 adults, showing that lower sunlight exposure over two weeks is linked to worse cognitive performance, especially among depressed individuals, with a clear dose-response relationship.
  • The findings highlight that both seasonal changes and daily sunlight levels are independently associated with cognitive impairment, making this the first large-scale study to examine the impact of short-term sunlight exposure on cognition using this type of data.

Top posts

Most liked on X and Bluesky
Pablo Castañeda
@Smart_Sapiens · X

Una #depresión se asocia principalmente con alimentos procesados, vida en interiores, malos hábitos de sueño, ritmo circadiano alterado y la falta de luz solar. https://t.co/voRcsiHSNX

Aug 14, 2022 · 7 likes · 2 shares · 3,415 followers View post →
Ice Princess³³º¹
@zaptrapped · X

https://t.co/IuoNZjc6kr

Jul 7, 2022 · 2 likes · 9,091 followers View post →
For health-promoting environments
@SilkeLeFay · X

#dementia #Alzheimers #NCDs #SDGs #gerontology #agedcare #ageing #aging #neurodegeneration #cognitive #brain #vitaminD #publichealth Among depressed individuals, a dose-response relationship was found between sunlight exposure and cognitive function. https://t.co/n69kjL3IzA . https://t.co/V4f6t0yHDz

Feb 13, 2020 · 1 like · 4,585 followers View post →
Michael Drescher
@MichaelMdresche · X

Yep. Sunlight has been shown to increase cognitive function. Will be teaching outside from now on! https://t.co/zo29cqPPbe https://t.co/eV1Eqnnls8

May 1, 2020 · 1 like · 177 followers View post →
For health-promoting environments
@SilkeLeFay · X

@SilverSanteEU @ucl #depression #dementia Adequate sunlight, HRV biofeedback, the fractal patterns of trees, improving posture and lung expansion, reducing hair cortisol concentration https://t.co/n69kjL3IzA https://t.co/qmH7jsiPfe https://t.co/XH3GQmk39o https://t.co/kRNCT6ZD3W .

Feb 17, 2020 · 4,585 followers View post →
For health-promoting environments
@SilkeLeFay · X

. Using data from 16,800 participants from a national cohort study researchers found an association between decreased exposure to sunlight and increased probability of cognitive impairment. https://t.co/n69kjL3IzA . https://t.co/1mPIAFGbb7

Aug 25, 2019 · 1 share · 4,585 followers View post →

All mentions

Soren
@greatbakwaas · X

@Censored4sure May be that the battle ground has shifted. https://t.co/9VF4Wh7eB2

Mar 23, 2024 · 166 followers View post →
Chris Huntley
@huntley_chris · X

Effect of sunlight exposure on cognitive function among depressed and non-depressed participants: a REGARDS cross-sectional ... https://t.co/mLEH6rj7yU

Oct 28, 2023 · 64 followers View post →
Dog Playing Piano
@DogPlayingPiano · X

@jonathanstea Links: https://t.co/Yxs6o21R7r https://t.co/ILL7iaNbR1 https://t.co/ApgE94LOBt

Jul 23, 2023 · 828 followers View post →
Carmen Domínguez
@DormirBienZzz · X

RT @Smart_Sapiens: Una #depresión se asocia principalmente con alimentos procesados, vida en interiores, malos hábitos de sueño, ritmo circ…

Aug 15, 2022 · 2 shares · 39 followers View post →
GYMHOUSEMOTIVATION
@7777Abadon · X

RT @Smart_Sapiens: Una #depresión se asocia principalmente con alimentos procesados, vida en interiores, malos hábitos de sueño, ritmo circ…

Aug 14, 2022 · 2 shares · 6 followers View post →
Pablo Castañeda
@Smart_Sapiens · X

Una #depresión se asocia principalmente con alimentos procesados, vida en interiores, malos hábitos de sueño, ritmo circadiano alterado y la falta de luz solar. https://t.co/voRcsiHSNX

Aug 14, 2022 · 7 likes · 2 shares · 3,415 followers View post →
Ice Princess³³º¹
@zaptrapped · X

https://t.co/IuoNZjc6kr

Jul 7, 2022 · 2 likes · 9,091 followers View post →
Michael Drescher
@MichaelMdresche · X

Yep. Sunlight has been shown to increase cognitive function. Will be teaching outside from now on! https://t.co/zo29cqPPbe https://t.co/eV1Eqnnls8

May 1, 2020 · 1 like · 177 followers View post →
....elcom....
@elcomtv · X

RT @Mangan150: Cognitive function is related to depression, and that function is better in depressed people after exposure to sunlight. Dos…

Apr 2, 2020 · 4 shares · 65 followers View post →
For health-promoting environments
@SilkeLeFay · X

@SilverSanteEU @ucl #depression #dementia Adequate sunlight, HRV biofeedback, the fractal patterns of trees, improving posture and lung expansion, reducing hair cortisol concentration https://t.co/n69kjL3IzA https://t.co/qmH7jsiPfe https://t.co/XH3GQmk39o https://t.co/kRNCT6ZD3W .

Feb 17, 2020 · 4,585 followers View post →
For health-promoting environments
@SilkeLeFay · X

#dementia #Alzheimers #NCDs #SDGs #gerontology #agedcare #ageing #aging #neurodegeneration #cognitive #brain #vitaminD #publichealth Among depressed individuals, a dose-response relationship was found between sunlight exposure and cognitive function. https://t.co/n69kjL3IzA . https://t.co/V4f6t0yHDz

Feb 13, 2020 · 1 like · 4,585 followers View post →
Bonel Flamel
@bflamel · X

RT @SilkeLeFay: . Using data from 16,800 participants from a national cohort study researchers found an association between decreased expos…

Aug 26, 2019 · 1 share · 678 followers View post →
For health-promoting environments
@SilkeLeFay · X

. Using data from 16,800 participants from a national cohort study researchers found an association between decreased exposure to sunlight and increased probability of cognitive impairment. https://t.co/n69kjL3IzA . https://t.co/1mPIAFGbb7

Aug 25, 2019 · 1 share · 4,585 followers View post →
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