Your circulatory system doesn’t rest. It’s in action every second of your life but is paid little attention unless you have a bad cut or need a transfusion. We may take the red stuff that runs through us for granted but it actually does quite a lot as it works through the circulatory-system:
• supplies oxygen to cells and tissues
• provides nutrients to cells, such as amino-acids, fatty-acids, and glucose
• removes waste, such as carbon-dioxide, urea, and lactic-acid
• transports hormones from one part of the body to another, transmitting messages and completing important processes
• regulates acidity (pH) levels and body temperature
If nutrients and oxygen carried through the blood don’t flow properly, you can expect one or more of the following symptoms of poor-circulation.
1. Reduced Brain Performance
The brain needs fifteen to twenty percent of your entire blood supply to work. If there’s poor-circulation and not enough blood gets to the brain, you may experience lapses in memory or lax cognition.
One study showed that if the heart doesn’t pump blood fast enough, a consequence is decreased blood flow to the brain. Over time, inadequate blood supply can result in dementia, other cognitive decline, and advanced aging of the brain in general..
One way to improve blood-circulations is by exercising regularly.
2. Cold Hands and Feet
Poor circulation is most evident in the extremities. Cold or numbness, wounds that take a long time to heal, brittle toe nails, or bluish or cracked skin of the feet and hands can indicate they’re not getting enough blood. Diabetics especially often experience poor-circulation, causing pain and sometimes disability of the feet.
3. Fatigue
Just as it’s hard to go about your day if you don’t eat, on the microscopic level, cells don’t function well if they don’t receive the nutrition and oxygen they need. Your body automatically prioritizes the processes that have the greatest need for blood (like the brain and heart) and can cut back on the supply to other organs and bodily systems. Sore muscles, shortness of breath, and general fatigue is one of the most common signs of poor-circulation.
4. Lack of Appetite
Poor blood circulation can affect the digestive system, starting with the liver and extending into the intestines. The liver filters the blood and is also nourished by it.
Additionally, blood-flow is important to the entire digestive-tract, as plasma is created there and picks up nutrients to deliver to the rest of the body.
Reduction in appetite or sudden weight loss can signal poor-blood flow because the digestive system doesn’t have the energy to work as hard as it must to break down food.
5. Varicose Veins
Varicose veins are the most obvious physical signs of poor-circulation. There are valves in veins that regulate blood flow so that it goes in only one direction—toward the heart. These valves can become weakened and leak, allowing oxygen-poor blood to flow in the wrong direction and can become visible through the skin.

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