David Alejandro Roldan MD

Recommended Articles

• The Human Heart: Function, Chambers, and Location

  IntroductionThe human heart is a part of the cardiovascular system that is situated in the middle of the chest between the lungs. Its exact location is slightly positioned to the left and behind the sternum (breastbone). The size of the heart is approximately the size of your fist. Its function...

• What Causes Meningitis?

  Meningitis occurs when the meninges, the protective membranes surrounding the brain and spinal cord, get inflamed or irritated. Meningitis is an outcome of certain bacteria or viruses entering the body when our immune system is weak.These bacteria and viruses live in the nose, throat, or the...

• What Causes Back Pain?

  Back pain is a painful condition that can stop you from carrying on with your normal duties. It is impossible for a normal person to stay still at all times; every now and then we find ourselves either bending, stretching or twisting. Tests and DiagnosisDuring the first visit to your doctor, a...

• When Is Allergy Season?

  Allergy season would mainly depend on the underlying factor of what individuals are allergic to and where they live. If an individual is suffering from a seasonal allergy or hay fever, then tree pollens could trigger the allergic reaction in the season of spring or late winter. If you are allergic...

• How to Help Someone Who Has Binge Eating Disorder

  A severe eating disorder, binge eating disorder is a condition in which you regularly eat abnormally large quantities of food and have no control over the urge and event.Everyone can attest to the fact that it is normal to overeat at times such as on holiday parties and special occasions. However,...

• Cholera and Diarrhea

  How Is Cholera Related to Diarrhea? Cholera is an infection that occurs in the small intestines. It is caused by a bacterium known as Vibrio cholerae. The disease is acquired through the intake of contaminated food or water. When an infected person defecates and then clean water comes into contact...