What you eat and how much you eat affects a lot more than your weight. What you eat can either stimulate inflammation, or inhibit inflammation. An unhealthy diet consisting of lots of fat, refined carbohydrates and highly processed foods is not a good idea if you intend to control PCOS.
A diet that is high in refined carbohydrates and low in fiber can lead to excessive levels of glucose ("blood sugar") in the blood. This condition is called "hyperglycemia".
A number of studies have shown that hyperglycemia leads to inflammation. For example, in a study at the Schwartz Center for Metabolism and Nutrition at Case Western University, PCOS women consuming glucose caused immune cells to produce free radicals that caused an inflammatory response. The researchers suggested that the inflammatory response induces insulin resistance and hyperandrogenism (high levels of male hormones) in PCOS women. In this study, it didn't matter whether the women were lean or overweight. In either case, the inflammatory response occurred.
Hyperglycemia (high blood sugar) also appears to increase TNF-alpha, an inflammatory biochemical that can contribute to insulin resistance, especially in lean PCOS women who have some abdominal fat.
A diet high in saturated fat is linked to an elevated CRP level. It also induces inflammatory activity and impairs insulin signaling in the hypothalamus gland, which is your "control center" for energy balance and weight management. In other words, a high-fat diet induces insulin resistance, increases inflammation and interferes with the ability of your hypothalamus gland to balance your weight.
Consumption of trans-fats has also been shown to increase inflammation. Trans-fats are artificially created saturated fats.
We have an extended discussion of fats and trans fats in this ebook.
A healthy diet consisting mostly of unrefined foods is the most effective way to reduce inflammation and manage weight. It also reduces insulin resistance, which reduces the tendency for hyperandrogenism (excessive male hormones), relieves various PCOS symptoms, and improves fertility.
Higher consumption of dietary fiber, as found in vegetables, fruits and legumes reduces inflammation.
Omega-3 Essential Fats.
Fats can directly influence production of leptin, resistin and adiponectin, so the amount and type of fat you consume is important for controlling inflammation and normalizing your hormones. As discussed in our ebook, foods containing omega-3 fatty acids reduce inflammation.
"Phyto-nutrients" in Vegetables and Fruit.
Plant compounds, such as anthocyanins and bioflavonoids, generally reduce inflammation and encourage the production of anti-inflammatory adiponectin. Plant pigments such as carotenoids also tend to dampen inflammation. The antioxidants and other "phyto-nutrients" and materials found in healthy foods play an absolutely crucial role in controlling inflammation.
The advantage of a healthy diet was borne out by a trial conducted at the Second University of Naples in Italy. Half of the 120 women were put on a "Mediterranean-style" diet rich in vegetables, fruits and omega-3 fats. The other half were put on a "prudent diet" similar to the one recommended by the American Heart Association.
Not designed for weight-loss, both diets supplied over 2000 calories a day, which approximates what an average American woman consumes. Although both groups of women lost weight, the women on the Mediterranean diet lost significantly more weight and body mass than those on the "prudent diet."
Even more importantly, the Mediterranean diet group saw significant reductions in key indicators of inflammation. The Mediterranean diet women also had a rise in their adiponectin levels and improvement in their insulin sensitivity.
There's little question that a healthier, high-quality diet will help to reduce inflammation in women with PCOS.
The relationship of diet, inflammation and weight is summarized here:
Here is the vicious cycle of obesity and leptin resistance: Extra fat produces chronic, low-grade inflammation. The chronic inflammation produces a chronic anti-inflammatory response, led by SOCS molecules. The SOCS response stops leptin from reducing obesity. So weight goes up, which causes more inflammation. And the cycle starts all over again.
You can break this vicious cycle with three simple actions:
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