What are Hiccups? A hiccup is a sudden, involuntary contraction (spasm) of the diaphragm muscle. When themuscle spasms, the vocal cords snap shut, producing the hiccup sound. Hiccups are medically known as synchronous diaphragmatic flutter or singultus (SDF).


What is Tetanus Tetanus is a non-communicable disease contracted through exposure to the spores of the bacterium called Clostridium tetani. These bacteria are commonly found in the environment within soil, dust and manure. If bacteria contaminate wounds, they produce the toxin which causes tetanus symptoms. The bacteria can contaminate wounds, where they produce a toxin which… Read More Tetanus


What is Vertigo Vertigo is a sense of rotation, rocking, or spinning, experienced even when someone is perfectly still. Vertigo is a feeling that you are dizzily turning around or that your surroundings are dizzily turning about you. Vertigo is medically distinct from dizziness, lightheadedness, and unsteadiness in that vertigo involves the sensation of movement.… Read More Vertigo

Is pneumonia contagious?

Pneumonia is swelling (inflammation) of the tissue in one or both lungs. It’s usually caused by a bacterial infection. Pneumonia is usually the result of a pneumococcal infection, caused by bacteria called streptococcus pneumoniae. Pneumonia is most commonly caused by bacteria and viruses, which are contagious. The germs that can cause pneumonia are usually breathed in. People… Read More Is pneumonia contagious?

Scientists Discover Explanation for Baldness and Graying Hair

Researchers from the University of Texas Southwestern Medical Center accidentally stumbled upon the explanation for baldness and graying hair in mouse models. While studying a rare genetic disease that causes tumors to grow on nerves, they found that a protein called KROX20 switches on skin cells that become a hair shaft, which then causes cells… Read More Scientists Discover Explanation for Baldness and Graying Hair