Dr. Elmer S. David M.D.

What are pathogens?Viruses, bacteria, fungus, or, in some rare cases, parasites and other microorganisms are involved in the development of pneumonia. Viruses cause the majority of pneumonia in young children. Adults who have weaker immunity are more frequently infected with bacteria.Pathogens, in...

What is heart rate?The heart rate is the number of heartbeats that occur per minute. The normal heart rate depends from person-to-person. As people get older, the heart rate changes and pulse regularity may change, which can signify heart problems or other medical conditions. Your heart rate may...

GMOs are organisms that have altered genetic material instead of being naturally produced by mating or natural recombination. They can be animals, plants, or microorganisms. Genetically modified organisms are not new to the market. It has been around for a while and its use is widespread. Most...

Lymph nodes help the body identify and fight infections, germs and other foreign substances. It is very typical for the lymph nodes to swell when the body is invaded by micro-organisms. Swelling is the lymph nodes trying to produce more white blood cells to continue battling foreign substances. It...

Oesophageal thrush is a yeast infection of the throat. It is also known as oral candidiasis or oropharyngeal candidiasis. A healthy person is unlikely to develop this condition. It affects only those with a weakened immune system such as patients with HIV, cancer, and those on immunosuppressive...

Diabetes comes with a lot of signs, so it is important to recognize the signs and symptoms before it is too late. It's important to see your doctor before the symptoms become severe. Type 2 diabetes symptoms often develop slowly and most people don’t even know it. It is really important to get a...