Vaccines help stimulate your immune system to fight off certain diseases. A compromised immune system can't recognize and fight off bacteria, viruses or other germs the way a healthy immune system can.

Malaria is an infectious disease caused by a parasite that's transmitted by mosquitoes. The illness results in recurrent attacks of chills and fever, and it can be deadly.

Infections of the gastrointestinal tract are classified according to their primary localization, etiology and clinical picture.

You may have an intestinal yeast infection if you are suffering with bloating, gas, intestinal cramps, heartburn, or rectal itching. You may use these 5 serious symptoms as talking points with your family doctor. Your intestines are populated with many, many beneficial bacteria and enzymes.

More than 50 % of the world's population is infected with Helicobacter, which causes chronic inflammation of the stomach lining and is strongly linked to the development of gastric ulcers and stomach cancer. Stomach cancer is the second leading cause of cancer-related deaths worldwide...