The 10 Most Deadly Diseases in the World Today

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No. 3 Bronchitis and Pneumonia

Despite what many might think, lower respiratory infections are among the worst diseases the human body can suffer. Both bronchitis and pneumonia affect the respiratory system, and, though they can begin with rather harmless symptoms, such as sneezing, headaches and runny noses, this disease can develop rapidly, producing large respiratory infections, compromising the lungs, and eventually causing death. The elderly, and small children are especially vulnerable to these infections, and it can certainly be lethal.

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