Hearing Health and Physical Function Link

Every 10-point increase in a person’s physical function score corresponds to a 1.35 decibel (dB) improvement in their hearing sensitivity. This direct link, reported in a 2026 study published in *Scientific Reports*, suggests an active lifestyle may be a powerful tool for preserving hearing as we age. Critically, the research led by Jean Neils-Strunjas and colleagues at the University of South Carolina found this connection operates independently of systolic blood pressure, a common cardiovascular health marker.

Methodology: A Bayesian Model for Complex Relationships

The research team worked with 150 adults aged 50 to 80 years. They used a sophisticated statistical technique called Bayesian generalized structural equation modeling. This approach is well-suited for untangling the complex, intertwined relationships between aging, physical health, sensory function, and cognition.

The model assessed four primary elements: physical function (measured by standardized tests of mobility and strength), systolic blood pressure (SBP), pure-tone hearing thresholds (a standard measure of hearing sensitivity), and cognitive performance. The core question was whether the known benefits of physical fitness on hearing were mediated by better cardiovascular health, as reflected in lower blood pressure. The common cause theory of aging posits that shared physiological declines drive conditions like hearing loss and cognitive changes. This study directly tested a potential pathway within that theory.

Primary Findings: A Direct Path from Movement to Hearing

The analysis revealed a clear, independent link. “The findings suggest that every 10-point increase in PF results in a decrease of hearing threshold by 1.35 dB HL… independent of SBP,” the authors state. To put this in perspective, age-related hearing loss typically progresses at about 1 dB per year in this age group. The study also confirmed the strong effect of age itself, with every decade increasing hearing thresholds by 8.78 dB.

A key discovery was the lack of a mediating role for systolic blood pressure. While SBP increased predictably with age (7.5 mm Hg per decade), it did not statistically explain why physically fitter individuals had better hearing. “The lack of mediation by SBP highlights the importance of targeting PF directly, rather than relying solely on blood pressure management for preserving auditory… health,” the paper concludes.

The research also documented a significant sex difference in hearing outcomes within this older cohort, with males showing poorer hearing than females. The connection between physical function and cognition was minimal in this sample, and again, not explained by blood pressure.

Practical Implications for Hearing and Overall Health

For individuals concerned about hearing health, tinnitus, or hyperacusis, this study reinforces that general physical fitness is a legitimate protective factor. The mechanisms remain to be fully detailed but may involve improved cerebral blood flow, reduced systemic inflammation, or enhanced neural health that benefits the auditory system directly—factors not fully captured by a simple blood pressure reading.

This adds a new dimension to holistic hearing health strategies. While protecting ears from loud noise is essential, maintaining strength, balance, and cardiovascular fitness through regular activity appears to support the auditory system from the inside out. For those experiencing conditions like tinnitus, where stress and anxiety can play a role, the stress-reduction benefits of exercise offer an additional, overlapping benefit.

The findings also intersect with broader wellness concepts. Good physical function is often supported by and contributes to quality sleep, which is vital for neurological recovery. Furthermore, the direct physical-hearing link underscores that interventions for age-related conditions may need to be multifaceted. As explored in articles on neurodegenerative research insights, targeting overall brain and body resilience is becoming a central theme.

A New Focus for Prevention Strategies

This research shifts the focus from a single biomarker—blood pressure—to a broader functional capacity. It suggests that public health messages and clinical advice for preserving hearing in mid to later life should explicitly promote physical activity and maintaining functional mobility. The study’s use of a Bayesian model provides strong evidence for a direct pathway, giving clinicians and patients a clear, evidence-based reason to link exercise routines with hearing health goals.

While the study did not find a strong physical function-cognition link in this group, the researchers note the pathways linking cardiovascular health, sensory function, and cognitive aging are complex. The direct hearing benefit alone is a significant finding. It provides a concrete, modifiable lifestyle factor—physical function—that people can actively work on to potentially slow one of the most common age-related sensory declines.

***Source:*** *Neils-Strunjas J, Arjmandi M, Hajihosseini M, et al. Physical function impacts hearing without mediation from systolic blood pressure. Sci Rep. 2026;16. doi:10.1038/s41598-026-55494-w. [PMID: 42218275](https://pubmed.ncbi.nlm.nih.gov/42218275/)*