Dr. David L Litt MD

Many of us who sit for a long time in front of a computer, in a car while traveling to the workplace, relax in front of the television, or do online shopping, might be have sitting disease. Sitting disease is another name for a sedentary lifestyle, which increases the risk for a number of diseases.A...

What is vitamin D?Vitamin D is a unique fat-soluble vitamin that plays a significant role in many aspects of health. Also referred to as the sunshine vitamin, it stands out from other types of vitamins since the body can produce vitamin D through sunlight exposure. With 20-25 minutes of daily sun...

What are leukocytes?White blood cells (WBCs) are also called as leukocytes. They protect the body from infections by fighting foreign invaders such as viruses, bacteria, fungi, or parasites. Phagocytes and lymphocytes are forms of white blood cells (WBCs).Phagocytes engulf foreign particles like...

IntroductionNicotine is an alkaloid stimulant that comes from the nightshade family of plants, particularly from the leaves of tobacco. The type of nicotine found in tobacco plants is called Nicotiana tabacum. Nicotine can also be synthetically produced. Thousands of chemicals are contained in...

Hepatitis C refers to a viral infection of the liver that may result in liver damage, cirrhosis and even liver failure. Unfortunately, most of the people with this infection remain unaware of the same until the liver is damaged to certain extent. Hepatitis C virus is a type of virus that causes...

If you are suffering from IBS-D, you may experience belly pain that is usually associated with irritable bowel syndrome (IBS) and you will be forced to make several trips to the bathroom. The letter "D" stands for "diarrhea".General CausesThere is no actual cause of IBS-D. However, the following are...