Hemorrhoids are swollen blood vessels in the anal canal. External hemorrhoids refer to enlarged veins beneath the surface of the anal skin. You can see and feel external hemorrhoid as the blood clot surrounds the surface of the anus. External hemorrhoids are not serious but are very painful. The most common causes of external hemorrhoids are prolonged sitting on the toilet, chronic constipation and straining during the bowel movements.

A hard day of work can leave most men and women extremely tired and drained of energy. Once they get some rest and a good night’s sleep, the exhaustion is gone, and the person is usually full of energy the next morning. But if the person feels tired no matter how long he or she sleeps or gets rest, and always feels fatigued, the person may be suffering from a deeper reason for the fatigue.

Low blood sugar, also known as hypoglycemia, means low blood sugar (glucose) levels in the body. It usually occurs in people with diabetes. It can be a side effect of insulin or other types of diabetes medicines. Generally, the acceptable range of blood sugar is 70 to 100 mg/dL. In case of diabetic patients, 70 mg/dL or less indicates low blood sugar.

Sleep is nature’s way of helping the body rest and recover after a day’s activity. Whether you lead an active or a sedentary lifestyle, your body and the various organs that keep you going have to perform their functions on a daily basis. When you sleep, most of the body’s internal as well as external organs either rest or slow down.

Meningitis is an inflammation (swelling) of the protective membranes covering the brain and the spinal cord. It can be a life-threatening condition. Therefore, the case of a person affected by meningitis falls under medical emergencies. Causes of meningitis The swelling may be caused due to viral or bacterial infections. However, injuries, cancer, certain drugs, and other types of infections can also cause meningitis.

Sleep apnea is quite a common sleeping disorder these days. If you experience poor quality of sleep, it might be due to sleep apnea. This disorder causes oxygen deficiency in the body due to uncontrollable pauses while breathing and shallow or short breaths during sleep. Sleep apnea often causes one to wake up startled.