Aging, aerobic exercise, and cardiovascular health: Barriers, alternative strategies and future directions

Area of Science:

• Cardiovascular Science
• Aging Research
• Exercise Physiology

Background:

• Age-associated cardiovascular dysfunction, specifically arterial dysfunction, is a primary precursor to cardiovascular disease (CVD).
• Arterial aging involves diminished vascular endothelial function and arterial stiffening, both independent predictors of CVD.
• These changes are driven by increased reactive oxygen species (ROS) and chronic inflammation, reducing nitric oxide bioavailability.

Purpose of the Study:

• To explore fundamental aging mechanisms contributing to arterial dysfunction.
• To identify potential therapeutic targets for improving cardiovascular health in aging.
• To address the need for alternative exercise strategies for mid-life and older (ML/O) adults to combat age-related CV dysfunction.

Main Methods:

• Review of established aging mechanisms and their impact on arterial function.
• Analysis of the role of ROS, inflammation, and nitric oxide in vascular aging.
• Evaluation of aerobic exercise as an intervention and the barriers faced by ML/O adults.

Main Results:

• Fundamental aging mechanisms, including oxidative stress and inflammation, significantly contribute to arterial dysfunction.
• Aerobic exercise is effective but often inaccessible for ML/O adults.
• Novel strategies mimicking aerobic exercise are proposed to target aging pathways.

Conclusions:

• Targeting fundamental aging mechanisms offers a promising avenue for improving cardiovascular health in aging.
• Developing accessible, alternative exercise interventions is crucial for reducing CVD burden in ML/O populations.
• Future research should focus on strategies that emulate aerobic exercise benefits to mitigate age-related arterial dysfunction.