Dr. John Nicholas Mehalik M.D.

Blood flows continuously through blood vessels and supplies nutrients and oxygen to different parts of the body. At the site of an injury, a blood clot prevents excess bleeding. Under normal conditions, blood clots are lifesaving. When the clot is formed as a part of normal repair process in the...

Dehydration is the term used to describe the state of the human body when it is loses more body fluid than you take in. Body fluid, mainly water, is lost through sweat, tears, vomiting, urine and diarrhea. Dehydration could vary from mild to severe based on a number of factors, such as weather...

How to Have a Good Workout in 30 MinutesIt is quite natural to feel frustrated when you don’t start to see results after months of slogging in the gym. One may gradually lose interest in working out and gym sessions. Then, there are others who feel too time strapped to work out at all. For both of...

According to the latest study presented at the 22nd European Congress of Clinical Microbiology and Infectious Diseases, elderly patients treated with central catheter and/or mechanical ventilation devices in intensive care units are at a very high risk for getting hospital-acquired infections...

A shin splint is the pain felt in the inner aspect of your shin bone. The shin bone is located between your knee and the ankle; therefore, the pain concentrates in this area. This condition is also known as the medial tibial stress syndrome (MTSS).Shin splints frequently affect people who engage...

What is costochondritis?Costochondritis is the term for inflammation of cartilage junctions that hold the ribs and sternum or breastbone. The condition is related to chest pain that can affect anyone in the age group of 10-21 years old. Although the pain can often occur, it still remains a mystery...