Infectious vs. Noninfectious Diseases: Key Differences Explained

A person develops a cough after catching influenza, while another experiences breathing problems caused by asthma. Both people are unwell, but the biological reasons behind their conditions are very different. The first illness is infectious because it is caused by a virus that can spread between people. Asthma, on the other hand, is noninfectious. It … Read more

What Causes Disease in the Human Body? A Beginner’s Guide

The human body is surprisingly good at keeping itself running. Cells repair damage, the immune system fights harmful organisms, and organs constantly adjust their activity to maintain internal balance. Even so, these protective systems are not perfect. So, what causes disease in the human body? There is no single answer. Illness can begin with an … Read more