More Blood Vessels During Hyperbaric Oxygen Therapy

Blood vessels are tubular structures that transport blood throughout the body.
There are three main types of blood vessels: arteries, veins, and capillaries. Arteries carry oxygenated blood away from the heart, while veins carry deoxygenated blood back to the heart. Capillaries are the smallest blood vessels and are responsible for the exchange of nutrients, including oxygen, and waste products between the blood and tissues.

The number of blood vessels is vital for delivering oxygen and nutrients, removing waste, and regulating blood pressure and temperature. With age, vessel numbers decline throughout the body, including in the brain. This loss can lead to reduced brain tissue and function—a process accelerated by poor metabolic health and inflammation.

However, Hyperbaric Oxygen Therapy (HBOT) can reverse this decline by promoting angiogenesis—the formation of new blood vessels. During HBOT, high oxygen levels stimulate the release of growth factors like VEGF (vascular endothelial growth factor), which supports new vessel formation. HBOT also boosts nitric oxide production, improving blood flow and further encouraging angiogenesis.

Increasing blood vessel density enhances oxygen and nutrient delivery, improves waste removal, and supports tissue function. This is especially beneficial in conditions like peripheral artery disease (PAD), where narrowed vessels impair blood flow. HBOT can also stimulate vessel growth in the brain, heart, genitals, and other tissues, improving cognitive function, cardiovascular capacity (including VO₂ max), erectile function, and more.

In summary, maintaining or regenerating blood vessels is key to combating aging and supporting recovery from injury. HBOT promotes angiogenesis effectively: acute issues may improve in a few sessions, while chronic conditions or anti-aging goals require longer-term treatment to sustain tissue revitalization.