Evidence Intelligence™
- EvidenceScore™
- 79
- Strong
- ImpactScore™
- 83
- Positive
- ConsistencyScore™
- 100
- consistent
Supporting studies: Based on 3 studies
Add to Evidence TrackerResearch Summary
Analyzed using Evidence Intelligence™
Aerobic cycling improves metabolic health in middle-aged men with diabetes
Last updated July 15, 2026
Key finding
FPG decreased from 177.8 ± 26.3 mg/dL to 154.6 ± 22.6 mg/dL (p=0.004)
A 3-month aerobic cycling program significantly improved metabolic health and quality of life in middle-aged men with type 2 diabetes.
Quick read
Study at a glance
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
RCTs
Follow-up
Medium-Term (3–12 mo)
Risk of bias
Some Concerns
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Plain-language summary
What this paper says
A plain-language read of the study’s main message and where it applies.
Study focus
A 3-month aerobic cycling program significantly improved metabolic health and quality of life in middle-aged men with type 2 diabetes.
Clinical relevance
These findings highlight the importance of physical activity, particularly aerobic exercise, in managing type 2 diabetes. By demonstrating significant improvements in key health markers, this study supports the integration of structured exercise programs into diabetes care, potentially leading to better patient outcomes and quality of life.
Keep in mind
Limited to middle-aged men, affecting generalizability to women or other age groups. Short duration of the intervention may not reflect long-term effects. Potential for selection bias in participant recruitment.
Published in
Journal Reference
Publication details and source links for this paper.
Arsalan T, Sayed AMZ, Masoumeh E, Aida S, Sevrin AK. A 3-month aerobic cycling programme significantly enhanced metabolic health and quality of life in middle-aged men with type 2 diabetes. BMJ Nutrition, Prevention & Health. 2025;8(1):e001019. doi:10.1136/bmjnph-2024-001019
Main Effects
Fasting Plasma Glucose decreased by 23.2 mg/dL (p=0.004)
Systolic Blood Pressure decreased by 5.7 mm Hg (p=0.003)
Diabetes Quality of Life improved by 0.6 points (p=0.004)
Evidence network
How this study fits
Understand where this research contributes within the broader evidence network.
Evidence Context
This study contributes evidence to Aerobic exercise and BMI, Body fat mass, Body weight, and 5 more.
This study contributes evidence to
Primary intervention
Aerobic exercise
Primary outcomes
- BMI
- Body fat mass
- Body weight
Evidence topics
Primary intervention
Primary outcomes
Evidence relationships
Intervention and outcome relationships this study adds to the evidence network.
8
Evidence pairs
8
Relationships
5
Evidence topics
contributes_evidence
Editorial context
Why this study matters
See why this paper is useful beyond its individual results.
Evidence network role
This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.
Moderate contributionModerate confidenceNetwork score: 72
5
Related topics
8
Evidence pairs
691
Related studies
High relevance in at least one topic
Why it is useful
- Contributes to 8 evidence relationships
- Includes primary outcome data
- Linked to 5 direct semantic evidence topics
Topic contributions
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
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Primary evidence
Evidence relationship
Aerobic Exercise and Body Composition
Related evidence
Evidence relationship
Aerobic Exercise and Body Mass Index
Save evidence
Evidence relationship
Aerobic Exercise and Fasting Glucose
Save evidence
Core evidence
Study findings
The primary outcomes reported in this study.
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerEvidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Supporting studies: Based on 2 studies
Add to Evidence TrackerDiastolic blood pressure
Aerobic exercise → Diastolic blood pressure
Aerobic exercise → Diastolic blood pressure
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerFasting Plasma Glucose (FPG)
Aerobic exercise → Fasting Plasma Glucose (FPG)
Aerobic exercise → Fasting Plasma Glucose (FPG)
Evidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Supporting studies: Based on 2 studies
Add to Evidence TrackerEvidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 25
- Negative
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerSystolic blood pressure
Aerobic exercise → Systolic blood pressure
Aerobic exercise → Systolic blood pressure
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerEvidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerEvidence Library
Build your evidence library
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Evidence Suggest
- Fasting Plasma Glucose decreased significantly from 177.8 mg/dL to 154.6 mg/dL.
- Body fat mass reduced by 2% from 40.2% to 38.2%.
- Diabetes Quality of Life scores improved from 3.1 to 2.5.
Who this applies to
- Middle-aged men diagnosed with type 2 diabetes.
- Individuals seeking to improve metabolic health through physical activity.
Keep in Mind
- Results may not apply to women or younger populations.
- The study's short duration limits understanding of long-term benefits.
- Further research is needed to explore effects on different demographics.
Between the Lines
- Limited to middle-aged men, affecting generalizability to women or other age groups.
- Short duration of the intervention may not reflect long-term effects.
- Potential for selection bias in participant recruitment.
Evidence Library
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Connected Evidence
Explore related studies, evidence collections, and research questions.
Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Aerobic Exercise and Body Mass Index, Aerobic Exercise and Body Weight.
Related evidence relationships
Explore in Evidence ExplorerThis study contributes to the evidence on the following intervention-outcome relationships.
Physical Activity
Aerobic Exercise → Body Mass Index
Physical Activity
Evidence Intelligence™
- EvidenceScore™
- 79
- Strong
- ImpactScore™
- 83
- Positive
- ConsistencyScore™
- 100
- consistent
Supporting studies: Based on 3 studies
View evidencePhysical Activity
Aerobic Exercise → Body Weight
Physical Activity
Evidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Supporting studies: Based on 2 studies
View evidencePhysical Activity
Aerobic Exercise → Blood Pressure
Physical Activity
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
View evidenceIncluded in these evidence collections
Curated evidence collections and hubs this study is part of.
Aerobic Exercise Evidence Hub
All studies on Aerobic Exercise
3 studies
intervention_hubContributes to Aerobic Exercise evidence base.
Body Mass Index Evidence Hub
All studies measuring Body Mass Index
3 studies
outcome_hubMeasures Body Mass Index as a key outcome.
Body Weight Evidence Hub
All studies measuring Body Weight
2 studies
outcome_hubMeasures Body Weight as a key outcome.
Blood Pressure Evidence Hub
All studies measuring Blood Pressure
1 studies
outcome_hubMeasures Blood Pressure as a key outcome.
Recent Diabetes Research
Latest published studies
recency_collection
Published within the last 2 years.
Explore more in Evidence Explorer
Jump to pre-filtered views in Evidence Explorer.
All studies on Aerobic exercise and BMI
Intervention: Aerobic exerciseOutcome: BMI
3 results
All studies on Aerobic exercise and Body weight
Intervention: Aerobic exerciseOutcome: Body weight
2 results
All studies on Aerobic exercise
Intervention: Aerobic exercise
3 results
All studies measuring BMI
Outcome: BMI
3 results
All studies measuring Body weight
Outcome: Body weight
2 results
Questions answered by this study
Generated from the study's connected evidence using Evidence Intelligence™.
Does Aerobic Exercise improve body composition?
Strong Evidence
Aerobic Exercise appears to improve Body Composition.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
Body fat mass
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
- 2
Waist-to-hip ratio
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on 4 supporting studies with consistent results and a positive effect signal.
Limitations
- Population details are unavailable.
Does Aerobic Exercise affect body mass index?
Strong Evidence
Aerobic Exercise may improve Body Mass Index.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
BMI
EvidenceScore™ Strong | EvidenceScore™ 78.6 | moderate positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on 3 supporting studies with consistent results and a positive effect signal.
Limitations
- Population details are unavailable.
Does Aerobic Exercise improve fasting glucose?
Strong Evidence
Aerobic Exercise appears to improve Fasting Glucose.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
Fasting Plasma Glucose (FPG)
EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on 4 supporting studies with consistent results and a positive effect signal.
Limitations
- Population details are unavailable.
Does Aerobic Exercise affect body weight?
Moderate Evidence
Aerobic Exercise appears to improve Body Weight.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
Body weight
EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on a small number of supporting studies and should be interpreted cautiously.
Limitations
- Only a small number of supporting studies are available.
- Population details are unavailable.
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