Dr. Gary M Knox MD

Causes of Fainting A person faints or loses consciousness for a brief time when the brain does not get enough oxygen. Fainting or passing out is also medically called syncope. Before fainting, people may experience lightheadedness, dizziness, weakness, and nausea. Others describe fainting as...

The majority of meningitis is as a result of viruses and bacteria that harbor in our bodies.  These germs normally live in the nose and throat or the intestines and can cause sickness. The bacteria can result in inflammation if they spread to the tissues lining the spinal cord and the brain....

Dehydration happens when your body loses fluids more than the amount that you have taken in, especially water. You can develop dehydration by sweating a lot, by urinating too much, or it can also occur due to an inadequate absorption of water to your body due to certain illnesses. All of these...

Many women have a difficult time during their periods, and sometimes, some may confuse painful symptoms they are experiencing for simply being part and parcel of women's normal menstrual woes without suspecting that the symptoms might be due to an aggressive form of endometriosis. Endometriosis can...

What is shivering?Exposure to cold or rapid shifts in temperature usually causes uncontrollable shivering. However, many other possible causes can cause shivering or chills. An uncontrollable shivering that persists for a longer time may indicate an underlying illness that requires immediate medical...

What is atherosclerosis?Atherosclerosis is also known as arteriosclerotic vascular disease or ASVD. It is a particular type of arteriosclerosis in which an artery wall gets thickened as an effect of attack and accumulation of white blood cells and rupture of the intimal smooth muscle cell producing...