Dr. Leonard Joseph Hertko M.D.

What is rapid shallow breathing?Rapid, shallow breathing, also medically called as tachypnea, is a term used to describe a breathing that is too fast, particularly when people have it due to a lung disease or other health conditions. Sometimes, rapid, shallow breathing and hyperventilation...

What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...

Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...

Portable pools are often associated with drowning in young children, according to a new study. A portable pool is a structure that is generally used in the place of an in-ground swimming pool or any water recreation. Researchers report that a child drowns in a portable pool every 5...

Hypothyroidism is a disease that affects the metabolic rate and energy levels of the body. It is characterized by a defect in the thyroid gland that reduces the production of thyroid hormones, the hormones responsible for regulating the metabolism of the body. Hypothyroidism is characterized by...

Is it a sore throat or a strep throat infection?Strep throat is a medical condition associated with bacteria that infect the throat and tonsils. The infection is caused by group A Streptococcus bacteria. This group of bacteria is usually spread through contact with droplets of an infected person....