Overdosing on sugar - eating or drinking 100 grams (8 tbsp.) of sugar, the equivalent of about two cans of soda, can reduce the ability of white blood cells to kill germs by forty percent. The immune-suppressing effect of sugar starts less than thirty minutes after ingestion and may last for five hours. In contrast, the ingestion of complex carbohydrates, or starches, has no effect on the immune system.
Excess alcohol - excessive alcohol intake can harm the body's immune system in two ways. First, it produces an overall nutritional deficiency, depriving the body of valuable immune- boosting nutrients. Second, alcohol, like sugar, consumed in excess can reduce the ability of white cells to kill germs. High doses of alcohol suppress the ability of the white blood cells to multiply, inhibit the action of killer white cells on cancer cells, and lessen the ability of macrophages to produce tumor necrosis factors. One drink (the equivalent of 12 ounces of beer, 5 ounces of wine, or 1 ounces of hard liquor) does not appear to bother the immune system, but three or more drinks do. Damage to the immune system increases in proportion to the quantity of alcohol consumed. Amounts of alcohol that are enough to cause intoxication are also enough to suppress immunity.
Food allergens - due to a genetic quirk, some divisions of the immune army recognize an otherwise harmless substance (such as milk) as a foreign invader and attack it, causing an allergic reaction. Before the battle, the intestinal lining was like a wall impenetrable to foreign invaders. After many encounters with food allergens, the wall is damaged, enabling invaders and other potentially toxic substances in the food to get into the bloodstream and make the body feel miserable. This condition is known as the leaky gut syndrome.
Too much fat - obesity can lead to a depressed immune system. It can affect the ability of white blood cells to multiply, produce antibodies, and rush to the site of an infection.
Belinda Kirkpatrick is a Sydney based Naturopath and Nutritionist offering holistic dietary, lifestyle and wellness advice to help patients achieve their optimal health potential. She is an expert in herbal medicines and nutritional supplements and is passionate about helping each and every patient get the most out of life. Get in touch with Belinda at www.belindakirkpatrick.com.au
Could you please share the reference for the sugar and immune system information.
Do you think that these stats (100g sugar for up to five hour depression of 'immune function') is enough to warn people that sugar depresses the immune system in general terms?
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