Dr. Kamran Ur rahman Khan MD

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...

What are gallstones?Gallstones are hard, stone-like crystals found in the gallbladder. The gallbladder is an organ found beneath the liver, particularly on the right side of the abdominal cavity. The pear-shaped organ releases bile into the small intestine to help digest the food we eat. The liver...

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...

A new study has shown that weight, sleeping disorders, and inability to learn are all linked with each other in children. A child who is overweight and who does not get enough sleep may have difficulty learning. Moreover, a child who has learning disabilities has a higher risk of developing obesity...

Humans have approximately 60 percent of water in the body. Even if 1.5-2 percent of that water is lost, mild dehydration will start, which can lead to severe dehydration requiring immediate medical attention. Because your mood, energy level, and coordination deteriorate with the loss of body fluids,...

Marijuana or pot is one of the most commonly abused illegal drugs in the country. About one in 300 people are addicted to this drug. Marijuana is actually a mix of shredded leaves, seeds, flowers, and stems of the plant Cannabis sativa. It is also available in a concentrated form called hashish....