Recreational screen time

Recreational screen time has been studied in 3 papers since 2025: 3 observational studies in people; 2 in the past year. The newest story, Nov 7, 2026: “Teen movement habits linked to lower diabetes and obesity risk”.

Intervention

3 papers study it3 findingsUpdated

2 new papers in 30 daysSee all 3 papers on recreational screen time

At a glance

The findings reach people, from one lab or study. 2 independent labs in 1 country.

“Multivariable Cox proportional-hazards models showed that an increase in total daily RST was associated with a greater risk of developing AMD”
Longer recreational screen time contributes to the risk of age-related macular degeneration: a UK Biobank cohort study and two-sample Mendelian randomisationJournal of global health2025doi:10.7189/jogh.15.04029

None of its findings points the other way.

Humans: a single group. Cells, worms or flies and mice: nothing yet.
  • 2 independent labs in 1 country
  • Funder: National Natural Science Foundation of China
  • Humans3

What did studies of recreational screen time find?

1

Studies of recreational screen time measured 1 outcome; the most studied are retinal thickness (1 study).

Retinal thickness

downin humans1

1 study
  1. Recreational screen time is linked with lower retinal thickness in humans.

    “Multivariable linear models suggested that an increase in RST was associated with thinning of the outer and inner retinal layers and total macular thickness.”

    Humansretinan = 38,478

    Longer recreational screen time contributes to the risk of age-related macular degeneration: a UK Biobank cohort study and two-sample Mendelian randomisation

    Journal of global health

What is recreational screen time linked with?

2

Studies link recreational screen time with 2 measures, most often obesity (1 study) and age-related macular degeneration (1).

Obesity

downin humans1

1 study
  1. Recreational screen time is linked with a lower risk of obesity in humans (Target trial emulation targeting adherence to screen time recommendations alone) (Risk difference: -3.8 percentage points, 95% CI -5.5 to -2.0).

    “adherence to screen time recommendations produced the largest reduction in obesity risk (RD: -3.8%, 95% CI: -5.5% to -2.0%).”

    HumansTarget trial emulation targeting adherence to screen time recommendations aloneAge-specific recommended daily amountsAverage of 22 yearsn = 6,516

    Teen movement habits linked to lower diabetes and obesity risk

    AHA Scientific Sessions 2026 abstract

More on Obesity

Age-related macular degeneration

upin humans1HR 1.05

1 study
  1. Recreational screen time is linked with a higher risk of age-related macular degeneration in humans (HR 1.05; 95% CI 1.03, 1.07, P < 0.001).

    “Multivariable Cox proportional-hazards models showed that an increase in total daily RST was associated with a greater risk of developing AMD”

    Humans12.8-year median follow-upn = 482,939

    Longer recreational screen time contributes to the risk of age-related macular degeneration: a UK Biobank cohort study and two-sample Mendelian randomisation

    Journal of global health

More on Age-related macular degeneration

Latest

Dec 2025: 0Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 0Nov 2026: 22 papers in 12 months
AHA Scientific Sessions 2026 Abstract

Teen movement habits linked to lower diabetes and obesity risk

Modeled adherence to all recommendations was linked to adult diabetes risk 2.6 percentage points lower and obesity risk 5.9 percentage points lower than observed.Modeled adherence to all recommendations was linked to adult diabetes risk 2.6 percentage points lower and obesity risk 5.9 percentage points lower than observed.

Cohort · 6,516 peopleDiabetes mellitus