Dr. Nolan E. Perez, MD, FACP, FACG

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...

Cholera is an acute diarrheal disease that causes thousands of deaths each year and inflicts tremendous pain in areas where it has been reported. This infection is a great menace that has been disturbing humankind. However, it does not mean that cholera is everywhere or that it cannot be treated...

Abdominal pain, frequent and recurring diarrhea, blood in the stool, and problematic bowel movements are all common symptoms for those suffering from Crohn’s disease. Unfortunately, they are also identical symptoms with those of bowel cancer, which can be one of the hardest cancers to diagnose in...

Gastric bypass surgery has become a popular weight loss procedure, and can be considered the gold standard for weight loss surgeries. However, the cost of gastric bypass surgery is sky-high, and this is one of most common factors taken into consideration ahead of surgery.In the normal digestive...

Liver cancer is a condition that is characterized by the abnormal or cancerous growth of liver cells. Liver cells are also called as hepatocytes. Hence, liver cancer can also be called as hepatocellular cancer. Although other cell types can become cancerous, the most common cause of liver cancer is...

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...