In cardiomyopathy, the heart muscle becomes enlarged, thick, or rigid. In rare cases, the muscle tissue in the heart is replaced with scar tissue.

Hospital-acquired pneumonia is not uncommon. Toothbrushing and mobilizing patients can dramatically lower the risk.

While not as common as HPV, chlamydia, and herpes, trichomoniasis affects 174 million people infected around the world each year.

Infections and other disorders affecting the brain and spinal cord can activate the immune system, which leads to inflammation. These diseases, and the resulting inflammation, can produce a wide range of symptoms, including fever, headache, seizures, and changes in behavior or confusion