Dr. Carol A Hartley M.D.

Developing gray hair is inevitable in everyone's life time. "The color of the hair changes when the pigment-producing cells stops the production of the pigment," says Jeffrey Benabio, MD, a dermatologist at Kaiser Permanente in San Diego. The color may also be bleached by the build up of naturally...

Inflammation of the meninges, the delicate membrane covering brain and spinal cord, is called as meningitis. There are different types of meningitis based on the cause of the disease. Some of these forms have very mild symptoms and may resolve on its own, while some other forms are serious and life...

Our human bodies are a complex network of nerves, blood vessels, muscles, and visceral organs. While our skin is the outermost layer holding everything together, on the inside, it is a network of strong muscle fibers that hold all our internal organs in place. A hernia occurs when there is a weak...

The black widow spider is one of the most poisonous spiders often seen in North America. These spiders thrive at moderate temperatures and are mostly found in the south and western US regions.They are often found in places surrounded by bushes, open areas such as outdoor bathrooms and toilets, open...

It goes without saying that exercise is key to good health. Having the right kind of food and drinking adequate fluids also help in achieving this goal. Taking good amount of nutrients helps to give the power for the workout and also for repairing the muscles after the workout. But all of us have...

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...