Small cell lung cancer (SCLC) may increase the risk of pneumonia due to a weakened immune system or structural changes to the lungs. SCLC is one of the two main types of lung cancer. Pneumonia is an ...

For the second half of the 19th century and the early part of the 20th, pneumonia was a leading cause of death that killed hundreds of thousands of people. Sir William Osler – usually considered the ...

Pneumonia is a common lung infection that can make breathing difficult and, in some cases, become life-threatening. It happens when the air sacs in the lungs fill with fluid or pus. Each year, about ...

Medically reviewed by Kashif J. Piracha, MD Key Takeaways Pneumonia can be contagious if caused by viruses or ...