Even though various ethnic and racial groups around the world exhibit similar symptoms of schizophrenia, in the united states, are more likely to be diagnosed with the disorder, especially when the diagnosis is based upon clinicians using an unstructured clinical interview.

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Yes, this is very true. specifically causing damage in the  dentrite. 

The alveoli are what give the lungs so much space, and if they are big, there is more gas exchange than if they are small.

The answer you're looking for is washing your hands. "at this late date, we all expect our doctors to wash their hands before examining us or performing an operation in order to prevent the spread of infection. surprisingly, physicians did not begin to acknowledge the lifesaving power of this simple act until 1847.it was then that dr. semmelweis began exhorting his fellow physicians at the famed vienna general hospital (allgemeines krankenhaus) to wash up before examining women about to deliver babies. his plea was far more than aesthetic; it was a matter of life and death and to prevent a deadly malady known as “childbed” or puerperal (from the latin words for child and parent) fever."