Sickle cell disease is inherited at birth when you receive related genes from both parents. One gene usually causes sickle cell trait (SCT), which often has no health problems. The main sickle cell ...

Tinnitus describes internal sounds in your ear rather than sounds with an external source. There are several different types of tinnitus, each with its own causes and treatment options. Share on ...

Amyotrophic lateral sclerosis (ALS) affects the nerve cells in the brain and spinal cord that control muscle movement. Different types of ALS cause symptoms to begin in a certain part of the body and ...