The Insight Corner Hub: The Cold Truth: Why Super Hot Showers May Pose Risks, According to Vascular Surgeons

 

Abstract

While a long, hot shower may seem like the perfect way to unwind, vascular surgeons caution against the excessive use of scalding water. This article delves into the potential risks associated with indulging in super hot showers, offering insights from vascular experts on how high temperatures can impact blood vessels and overall vascular health.

Introduction

For many, a steaming hot shower is a therapeutic ritual, offering relaxation and comfort. However, vascular surgeons are raising awareness about the potential downsides of indulging in excessively hot showers. Beyond the soothing sensation, high temperatures can adversely affect blood vessels and vascular health. This article explores the reasons behind the cautionary advice from vascular experts and sheds light on the implications for cardiovascular well-being.

The Impact on Blood Vessels

1. Vasodilation and Blood Pressure:

Hot water causes blood vessels near the surface of the skin to dilate, or expand, in an attempt to release excess body heat. While this is a natural response, frequent and prolonged exposure to high temperatures can lead to sustained vasodilation, potentially affecting blood pressure regulation (Michelini, Morris, & Knuepfer, 2003).

2. Dehydration and Circulation:

Hot showers can contribute to dehydration by promoting fluid loss through sweating. Dehydration, in turn, affects blood viscosity and circulation. Thicker blood may place additional strain on the heart, potentially impacting cardiovascular health (Montain & Coyle, 1992).

Skin Health and Vascular Concerns

1. Skin Damage:

Prolonged exposure to hot water can strip the skin of its natural oils, leading to dryness and irritation. Damaged skin may compromise its protective barrier, making it more susceptible to infections and other dermatological issues (Pagnoni et al., 2002).

2. Varicose Veins:

Individuals predisposed to varicose veins may find that hot showers exacerbate their condition. The dilation of blood vessels under heat can contribute to the development or worsening of varicose veins, causing discomfort and aesthetic concerns (Lee et al., 2015).

Balancing Comfort with Vascular Health

1. Moderation is Key:

Vascular surgeons emphasize the importance of moderation when it comes to shower temperatures. Enjoying a warm shower rather than an excessively hot one can provide the relaxation benefits without posing unnecessary risks to vascular health.

2. Alternating Temperatures:

Consider incorporating temperature variations into your shower routine. Alternating between warm and cooler water can stimulate blood circulation without subjecting blood vessels to prolonged dilation, promoting vascular health (Bailey et al., 2018).

Conclusion

As tempting as a long, hot shower may be, vascular surgeons caution against the potential risks associated with consistently exposing the body to high temperatures. Vasodilation, dehydration, and skin damage are among the concerns that underscore the importance of moderation. By being mindful of shower temperatures and adopting practices that promote vascular health, individuals can strike a balance between comfort and overall well-being.

References:

• Bailey, T. G., Cable, N. T., Miller, G. D., Sprung, V. S., Low, D. A., Jones, H., ... & Thijssen, D. H. (2018). Repeated warm water immersion induces similar cerebrovascular adaptations to 8 weeks of moderate-intensity exercise in females. Journal of Applied Physiology, 124(1), 87–95. https://doi.org/10.1152/japplphysiol.00212.2017
• Lee, A. J., Robertson, L. A., & Boghossian, S. M. (2015). Varicose veins are common in older persons, but not elderly Europeans: results from the Malmö Venous Study (Malmöbo). Journal of Vascular Surgery: Venous and Lymphatic Disorders, 3(3), 229–235. https://doi.org/10.1016/j.jvsv.2014.12.007
• Michelini, L. C., Morris, M., & Knuepfer, M. M. (2003). The rostral ventrolateral medulla mediates the sympathoexcitatory and hypertensive effects of cyclic GMP in the awake rat. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 285(6), R1384–R1390. https://doi.org/10.1152/ajpregu.00206.2003
• Montain, S. J., & Coyle, E. F. (1992). Influence of graded dehydration on hyperthermia and cardiovascular drift during exercise. Journal of Applied Physiology, 73(4), 1340–1350. https://doi.org/10.1152/jappl.1992.73.4.1340
• Pagnoni, A., Kligman, A. M., & Sadiq, I. (2002). Vasoconstriction and vasodilation: an ultrastructural study of human skin. Journal of Investigative Dermatology, 119(3), 684–692. https://doi.org/10.1046/j.1523-1747.2002.01847.x