Caused by viruses from four distinct families, viral hemorrhagic fevers (VHFs) range from relatively mild to life-threatening. While all start with fever and muscle aches, some viral hemorrhagic fevers develop to more serious problems including severe internal and external bleeding (hemorrhage), widespread tissue death (necrosis), and shock. Viral hemorrhagic fevers presently can’t be cured by any treatment. Only two of the many viral ... more
The most common type of arthritis is osteoarthritis, also called degenerative joint disease or osteoarthrosis. When cartilage in the joints wears down over time, this condition occurs. Osteoarthritis could affect any joint in the body, but most commonly it affects joints in the:
Neck
Hips
Lower back
Hands
Knees
Osteoarthritis doesn’t have a cure and it gradually gets worse ... more
A bulge or ballooning in a blood vessel in the brain is called brain aneurysm, which looks like a berry hanging on a stem.
A hemorrhagic stroke (bleeding into the brain) can be caused by an aneurysm when it leaks or ruptures, which usually happens in the space between the brain and the thin tissues covering the brain. This type of hemorrhagic stroke is called a subarachnoid hemorrhage. A ruptured aneurysm requires immediate medical ... more
When a bacterium called Helicobacter pylori (H. pylori) infects someone's stomach or the first part of their small intestine, H. pylori infection occurs.
It is thought that this infection is present in almost half the people in the world. In most cases, this infection doesn't cause any signs, symptoms or complications. However, in other cases it could lead to ulcers, stomach cancer and other serious ... more
Occupational asthma is defined as asthma that results from breathing in a workplace irritant, such as chemical fumes, dust or gases. Chest tightness, shortness of breath and wheezing are some of the symptoms that occupational asthma causes, just like other kinds of asthma.
Occupational asthma might be reversible when diagnosed and treated early. Lifetime Asthma and a worsening of symptoms could result from long-term exposure ... more
Pertussis, also known as whooping cough, is a highly contagious respiratory tract infection. This cough could eventually turn more serious, especially in infants, even though it initially resembles an ordinary cold. In more advanced stages, it is marked by a severe hacking cough followed by a high-pitched intake of breath that sounds like “whoop”.
Whooping cough is increasing, especially in teenagers whose immunity has faded, ... more
