WEBVTT

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Several conditions that involve the

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digestive system also affect other

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organ systems in the body . For example ,

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obesity is a condition in which a

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person has too much body fat . In

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addition to having a significant

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negative impact on the liver , obesity

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can affect the cardiovascular endocrine

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and musculoskeletal system . Another

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example is anemia . Anemia is a

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condition in which a person has a low

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red blood cell count , which are the

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cells that carry oxygen to tissues in

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the body . Anemia can be a complication

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or a symptom of a number of digestive

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diseases . One type of anemia , called

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vitamin B 12 deficiency anemia can also

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affect the nervous system . Unexplained

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weight loss is another digestive

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condition that can be a symptom of many

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different diseases , including mental

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health disorders , chronic infections

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or an overactive thyroid gland . It can

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also be due to a disease specifically

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involving the digestive tract , as most

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people have experienced

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gastrointestinal or GI infections

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affect the digestive track , causing

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anything from mild nausea to

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significant vomiting or diarrhea . Some

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of these infections can also cause long

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term symptoms involving the skin ,

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nerves , muscles , heart or joints .