Cold Hands and Feet: Understanding Vasoconstriction, Stress Response, and Solutions

This podcast episode by Dr. Ekberg addresses the common complaint of persistently cold hands and feet, even when the body's core temperature feels warm. He clarifies that while general body coldness might indicate a metabolism problem, cold extremities with a warm core are fundamentally a circulation issue. The core mechanism behind this is vasoconstriction, where blood vessels in the periphery tighten, significantly reducing blood flow to the hands and feet. This constriction can lead to hand temperatures as low as 74-80 degrees Fahrenheit, far below the normal 90-93 degrees expected.

The primary driver of vasoconstriction, Dr. Ekberg explains, is the body's stress response. In an acute emergency, this response is beneficial, increasing heart rate and blood pressure while constricting vessels to redirect blood to major muscles for fight or flight. However, in situations of chronic, low-level stress or tension without a true emergency, the vasoconstriction persists without the compensatory increase in heart output, paradoxically slowing blood flow to the extremities. The regulation of this stress response is attributed to the frontal lobe of the brain, which has the capacity to inhibit or turn off the stress response.

To counteract cold hands and feet, Dr. Ekberg recommends two powerful interventions: relaxation exercises and physical exercise. Relaxation techniques are suggested to activate the frontal lobe, thereby reducing the stress response and promoting vasodilation. Exercise offers a three-fold benefit: it immediately increases circulation, stimulates angiogenesis (the formation of new blood vessels) with regular practice (especially after 20-30 minutes), and activates the frontal lobe through movement, further enhancing its ability to control the stress response and vasoconstriction.

The broader implications of this discussion highlight the profound connection between mental state (stress) and physical health (circulation). It emphasizes the body's adaptive capacity to improve physiological functions, such as blood vessel density, through consistent positive stimuli like exercise. The episode advocates for a proactive, holistic approach to wellness, encouraging listeners to leverage natural methods like movement and stress management to improve their health and reduce reliance on medical interventions.

"if your body is warm and your hands and feet are cold that's a circulation problem"

"The thing that warms the hand is blood"

"there is very very little blood getting into the hands"

"something called vasoconstriction... they can tighten up"

"if the vasoconstriction keeps the blood from flowing into the hands what causes vasoconstriction and the answer is stress and more specifically it's something called a stress response"

"if you have more of the moderate chronic low level stress response then you're getting the the cold hands and feet with our vasoconstriction instead"

"what is it that regulates the stress response and that is the frontal lobe your cortex the brain and especially the frontal lobe"

"The other super powerful way to activate the frontal lobe is called exercise"

"it takes 20-30 minutes for the capillaries to open up for the the finest circulation to open all the way up"

"something really cool happens it's called angiogenesis and that is a fancy word that means making new blood vessels"

"movement is the primary stimulant for incoming information to the brain and especially the frontal lobe the cortex"

"exercise increases circulation, second it increases angio neo Genesis making new blood vessels and third it activates the frontal lobe which can turn off the stress and control the vasoconstriction"