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How do other illnesses affect fasting?

When you are receiving testing for other illnesses, your doctor may ask you to fast beforehand so that your stomach and digestive matter do not interfere with the test. Additionally, fasting can have an effect on some diseases and conditions, some negative and some positive. Fasting is very dangerous for someone with diabetes, as it can affect blood sugars and insulin levels. And if fasting leads to extreme food depravation, as in cases of anorexia nervosa, it can be dangerous to many of your body's systems. However, fasting has also shown to actually be helpful in the treatment of inflammatory diseases like rheumatoid arthritis.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.