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To think that in 1854, fully 40 years before Robert Koch discovered the bacterium that causes cholera, a lone London obstetrician named John Snow identified the source of a cholera outbreak with pencil, paper, and shoe leather

Combining alcohol and marijuana at the same time roughly doubles your odds of drunk driving or legal, professional, or personal issues

The move brings Florida in line with existing federal laws

That accolade is accorded to Robert Jameson in 1805 who generally opposed Huttons theories

This analysis, or histopathology, can identify several changes in the tissue, which may indicate leukoplakia: * Formation of hard and thick layers on the skin on the inside of your mouth * Increase in the thickness of the inner skin layer * Abnormal thickening of the skin * The base layer of your skin becoming thinner * Inflammation in the connective tissues * Changes in the cell layers * Changes in the ratio of the nucleus to the cytoplasm in cells * Incidences of more pigmented and enlarged nuclei * Unusually high cell proliferation * Abnormal cell divisions * Increased cell divisions * Changes in the shape and size of nuclei * Excessive growth at the base layer of cells * Cells shaped like a drop infiltrating deeper layers of the skin * Loss of normal cellular arrangement Apart from biopsies and histopathology, other diagnostic tools used for the early detection of leukoplakia include the use of a blue dye called toluidine, brush biopsy kits for oral applications, saliva testing, and optical imaging systems