I was wrong, exercise does accelerate wound healing, as does stress reduction (and perhaps in other ways).
Turns out the effects are
clinically significant (as opposed to merely marginal).
I apologize.
The following Google search of Scholarly Articles [Exercise Accelerates Wound Healing] pops 17,000 scholarly references even when filtered for "since 2010".
"
Exercise Accelerates Wound Healing Among Healthy Older Adults: A Preliminary Investigation" Charles F. Emery
"
EXERCISE ACCELERATES CUTANEOUS WOUND HEALING AND DECREASES WOUND INFLAMMATION IN AGED MICE" Keylock, K. T.
“The key point of the study is that moderate exercise sped up how fast
wounds heal,” Keylock said in a statement. “The thought is that the exaggerated inflammatory response slows the healing process. And if exercise can help decrease the amount of inflammatory cytokines put out by macrophages maybe that would help decrease the inflammation, and therefore, speed healing.”
Can Exercise Accelerate Wound Healing?
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July 22, 2014https://
broken link removed: https://www.advancedtissue.com/can-exercise-accelerate-wound-healing/
Various studies have been conducted to help cement this correlation. Researchers from
Ohio State University first explored how exercise is able to
accelerate wound healing stages. To their surprise, it was found physical activity can cause an increase in cortisol levels, a hormone that is often produced through stress and routinely considered an enemy to good health because of its association with lowering immune function and increasing symptoms of depression. Previous studies have reported that exercise can lower your production of cortisol; however, the researchers noticed a significant increase in cortisol levels in their participants who engaged in various exercises. The spike in cortisol production was also linked to subjects having a
quicker wound healing time, with daily intervals of exercise leading to a 25 percent faster treatment process for the participants.
[RED Emphasis Added]
The Impact of Psychological Stress on Wound Healing: Methods and Mechanisms Jean-Philippe Gouin
broken link removed: https://www.advancedtissue.com/can-exercise-accelerate-wound-healing/
"This result suggests that the
relationship between stress and wound repair is not only statistically significant but also clinically relevant. This review presents data and methods from observational, experimental, and interventional studies corroborating the impact of stress on wound healing."
[Emphasis added]
Exercise enhances wound healing and prevents cancer progression during aging by targeting macrophage polarity
Jorming Goh https://www.sciencedirect.com/science/article/pii/S0047637414000438
"Physical activity, which can include regular and repetitive exercise training, has been shown to decrease the incidence of age-related diseases. Aging is characterized by aberrant immune responses, including impaired wound healing and increased cancer risk. The behavior and polarized phenotype of tissue macrophages are distinct between young and old organisms. The balance of M1 and M2 macrophages is altered in the aged tissue microenvironment, with a tilt towards an M2-dominant macrophage population, as well as its associated signaling pathways. These M2-type responses may result in unresolved inflammation and create an environment that impairs wound healing and is favorable for cancer growth. We
discuss the concept that exercise training can improve the regulation of macrophage polarization and normalize the inflammatory process, and thereby exert
anticancer effects and enhance wound healing in older humans."
I am going to continue to exercise at my maximum safe and reasonably comfortable level and plan to do so as early and as often as practical for my BTKR.