Dr. Marlena Szewczyk M.D.

Recommended Articles

• What Are Ketones?

  Almost every cell in the body has a primary source of energy, which is usually glucose. However, when the body doesn't have enough glucose, the liver responds by producing chemicals known as ketones, converting stored fatty acids into ketone bodies. Ketones are used as a backup fuel source when...

• Foods to Avoid If You Have Diarrhea

  Diarrhea is a condition characterized by loose or watery stools that occur more than three times a day. Typically, the condition lasts for about two to three days and then resolves on its own. The symptoms of diarrhea include watery stools, bloating, stomach cramps, gas, and nausea.Diarrhea can lead...

• What Is Atherosclerosis: Types, Symptoms, and Home Remedies

  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...

• What Do Tonsils Look Like?

  Introduction Tonsils are a pair of lymphoid tissues that are located at the back of the throat. They belong to the lymphatic system and help fight infections. Normally, they are pinkish in color. However, sometimes, tonsils become enlarged, red, and irritated when they get infected.When they are...

• Lyme Disease: Making a Diagnosis

  Lyme disease is an infectious disease caused by four different species of bacteria. In Europe and Asia, it spreads through Borrelia afzelii and Borrelia garinii, while in the USA, it spreads through Borrelia burgdorferi and Borrelia mayonii. The disease is transmitted to humans via a common...

• 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...