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Sugar: "Why is it So Bad For Me?"

Excessive intake of sugar affects the body and it's healing processes. Additionally, it is detrimental to overall health and can lead to serious issues.

Fellow, American College of Foot & Ankle Surgeons

Diplomate, American Board of Foot & Ankle Surgery

Associate, American College of Stem Cell Physicians

First, let's explore what happens in the body when sugar is consumed.

When you consume sugar, it can trigger a series of reactions in your body that may contribute to inflammation. Here is a simplified version of how it happens:

Your body quickly absorbs sugar, leading to a spike in blood sugar levels. Your body responds by producing insulin, a hormone that helps glucose get into your cells to be used for energy. Frequent intake of sugar can lead to excessive insulin in the bloodstream, which can cause inflammation and other serious health issues. When sugar is broken down in your body it can bind to proteins or fats, producing harmful compounds called "Advanced Glycation End products"(AGEs). When activated, the immune system releases chemicals called cytokines that cause inflammation. Also, excessive sugar can disrupt the balance of bacteria in your gut. This may cause gut inflammation and other health problems. Chronic inflammation caused by extreme sugar intake can cause various diseases such as heart disease, diabetes, obesity, and certain types of cancer. It is advisable to moderate sugar intake as part of a balanced, healthy diet.

Sugar intake and the healing process.

When you have an injury, your body is focused on healing. The act of healing involves many processes, including inflammation, immune cell recruitment, and new tissue growth. Nutrients from food support these processes, so your diet can influence healing speed and effectiveness. With that being said, here are reasons why sugar can be harmful during the healing process:

1. **Inflammatory Response:** When you consume sugar, your body releases insulin to help cells absorb glucose. Over time, a high-sugar diet can cause your cells to become resistant to insulin, leading to chronic inflammation. Inflammation is part of the body's immune response and is needed to protect the site of the injury and remove damaged cells. However, prolonged inflammation is harmful as it can exacerbate the swelling and pain associated with an injury. This results in a delayed healing process.

2. **Impaired Immune Function:** Sugar can inhibit the function of white blood cells, which are critical in fighting off bacteria, clearing out damaged cells, and facilitating healing. High blood sugar levels can suppress the immune system and increase the risk of infections.

3. **Nutrient Displacement:** Consuming foods with high sugar content can displace more nutrient-dense foods in your diet. For example, proteins are essential for tissue repair and vitamins and minerals such as Vitamin C, Vitamin A, zinc and iron also play an important role in the healing process. Sugar is calorie-dense but not nutrient-dense, so a diet high in sugar might not provide the necessary nutrients for optimal healing.

4. **Obesity and Associated Conditions:** Chronic overconsumption of sugar contributes to obesity, which is associated with many health problems, including a heightened inflammatory state, diabetes, and cardiovascular diseases. These conditions can indirectly affect the healing of wounds and recovery from injury.

5. **Blood Sugar Levels:** High sugar intake can result in unstable energy levels which can affect the body's ability to heal. Furthermore, over time, these spikes in blood sugar levels can lead to insulin resistance and type 2 diabetes; conditions that are known to slow wound healing.

It’s important to know that “sugar” isn’t just cookies, cake, and ice cream. Any food with a high “GLYCEMIC INDEX” is to be avoided. Foods with a high glycemic index (GI) are rapidly digested and absorbed, resulting in significant fluctuations in blood sugar levels. Here are some examples:

1. **White bread:** White bread is typically made from highly processed white flour and sugar.

2. **White rice:** White rice has had its husk, bran, and germ removed, which are the parts of the grain containing fiber that slows digestion.

3. **Potatoes:** Potatoes, mainly baked or mashed, have a high GI.

4. **Soda:** Sugary drinks, like soda, typically have a high GI because they contain large amounts of simple sugars.

5. **Candy and sweets:** Candies and sweets often have a high GI due to their high sugar content.

6. **Certain fruits:** Watermelon and pineapple have a higher GI than other fruits.

7. **Breakfast cereals:** Many processed breakfast cereals, especially those high in sugar.

Remember, foods with a high glycemic index can cause blood sugar spikes, which may lead to long-term health issues if consumed regularly. Choosing foods with a lower glycemic index and balancing high-GI foods with low-GI foods to help maintain more stable blood sugar levels is generally better. Always consult with a healthcare professional or a dietitian for personalized dietary advice.

Generally, moderate sugar intake isn't a problem for most people, but overconsumption can cause or contribute to a myriad of health issues. If you have an injury, it's essential to maintain a balanced diet that's high in protein and includes plenty of fruits, vegetables, and whole grains to support your body's healing processes.

It is worth noting how sugar consumption levels and neuropathy conditions go hand in hand.

Neuropathy, specifically peripheral neuropathy, is a condition in which the nerves that carry messages from the brain through the spinal cord and to the rest of the body are damaged or diseased. This damage to the nerves happens when the body is unable to effectively manage elevated blood sugar levels (as seen in diabetes). High blood sugar levels can also damage both the blood vessels that supply oxygen and nutrients to the nerves and the nerves themselves.

When nerves are damaged, they don't function properly and can cause symptoms such as pain, tingling, numbness, or weakness, usually in the hands and feet. Moreover, neuropathy often leads to a loss of sensation especially in the feet. This means that a person might not notice minor injuries, which can go untreated and worsen. Coupled with the fact that high blood sugar levels can slow wound healing, it becomes a recipe for very serious complications. Damaged nerves may also disrupt normal functioning, such as sweating. Reduced sweating can lead to dry, cracked skin, which serves as a portal for infection. Along with impaired sensation, this significantly increases the risk of serious infections.

How is high sugar consumption associated with chronic pain?

High sugar consumption leads to increased inflammation, which can indeed contribute to chronic pain. Here's how:

Increased inflammation:

As mentioned earlier, when excessive sugar is consumed, it leads to inflammation. When inflammation becomes chronic, it damages tissues, causing pain and discomfort.

Aggravation of painful conditions:

Chronic inflammation can worsen certain conditions known to cause pain, such as arthritis and fibromyalgia.

Obesity and pain:

High sugar intake can lead to weight gain and obesity which puts strain and additional pressure on joints and other structures in the body, leading to increased pain. Obesity is also associated with increased levels of systemic inflammation.

Neuropathic pain:

Nerve damage (mentioned earlier) as a result of high blood sugar levels, leads to neuropathic pain, particularly in people with diabetes.

Gut health and pain:

High sugar intake also causes a disruption in gut health and digestive problems, which can manifest as abdominal pain and discomfort.

In general, a diet high in sugar can exacerbate pain and should be avoided, especially for individuals with chronic pain conditions. A balanced, anti-inflammatory diet can be beneficial in managing such conditions.

There are several dietary patterns that can help you maintain a low sugar intake:

  1. Mediterranean Diet. This diet emphasizes fruits, vegetables, whole grains, legumes, and olive oil. It includes moderate amounts of dairy and fish, limited red meat, and very limited sugar and processed foods.

  2. DASH Diet. DASH stands for Dietary Approaches to Stop Hypertension. It focuses on fruits, vegetables, whole grains, lean protein, and low-fat dairy products. It encourages the limitation of added sugars and sugary beverages.

  3. Whole Foods Diet. This is not a specific diet plan but a general approach that involves eating minimally processed, refined, and handled foods, making them as close to their natural form as possible. It focuses on fruits, vegetables, whole grains, legumes, lean protein, and healthy fats while avoiding processed and added sugars.

  4. Low-Carb and Ketogenic Diets:** These diets restrict carbohydrate intake, which includes sugar. They typically involve consuming higher amounts of protein and fats. However, the ketogenic diet is more extreme in its carbohydrate restriction and may not be suitable for everyone.

  5. Paleo Diet. This diet is based on foods that might have been eaten during the Paleolithic era, such as lean meats, fish, fruits, vegetables, nuts, and seeds-food that in the past could be obtained by hunting and gathering. A strict Paleo diet excludes processed foods, grains, dairy, and added sugars.

All these diets focus on whole, unprocessed, or minimally processed foods low in added sugars. However, any diet should be tailored to the individual's needs, preferences, and health status. Remembering that maintaining an active lifestyle is essential to a balanced diet for overall health is also crucial. As always, it is advisable to consult with a healthcare professional before changing your diet.

If you suffer from any foot and ankle problem, look no further than:

West End Foot & Ankle


Weiss Institute for Regenerative Medicine of the Foot & Ankle

Why Operate When You Can Regenerate?

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