Dr. Kurt J Isselbacher M.D.

Listeriosis is a foodborne disease caused by the infection of the bacteria Listeria monocytogenes. This infection may cause severe symptoms in pregnant women and people who have a weak immune system. It may also affect newborns and the elderly. The symptoms are generally not very serious in the case...

What is leukopenia?Leukopenia is a condition in which abnormally low white blood cells are circulating in the blood. This condition can be diagnosed using a blood test called complete blood count (CBC). A normal white blood cell count is usually between 3,500-11,000 WBCs per microliter. People...

Hormone therapy is often used to relieve menopausal symptoms. However, since estrogen plays a crucial role in maintaining bone health, hormone therapy is another treatment option for osteoporosis.How does hormone therapy work?Following menopause, your body produces less estrogen and progesterone...

Talking during slumber without being aware of it is very common and is not considered a serious condition. For some people, it is just a series of mumbling, while for others it is in the form of complicated dialogues. It is commonly noted in small children and in males. In most cases, the individual...

A urinary tract infection (UTI) is a common infection in any part of the urinary or renal system (urethra, ureters, bladder, and kidneys). In fact, it is the second most common type of infection among adults. Besides being responsible for over 8 million visits to healthcare professionals every year,...

What is prolactin?Prolactin or luteotropic hormone (LTH) is a peptide hormone, which promotes milk secretion in female mammals. This hormone also plays a significant role in pancreatic development, immune system regulation, and metabolism. When women become pregnant, their prolactin levels increase...