In 1900, pneumonia and influenza would be the most frequent causes of death, whereas heart disease was the main killer in 2006.
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What is infectious diseases?</h3>
Disorders produced by organisms, such as bacteria, viruses, fungus, or parasites, are known as infectious diseases. Our bodies are home to a variety of creatures. In most cases, they are beneficial or even safe. But certain microbes have the potential to cause disease in specific situations. It is possible for some infectious diseases to spread from person to person.
Poor diet, smoking, excessive alcohol use, and insufficient physical exercise are the four personal habits that can have an impact on chronic diseases.
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