Dr. Gerald H Jahng M.D.

Anaphylaxis refers to a severe allergic response, which can become life threatening if not treated immediately. It is often characterized by swelling, sudden lowering of blood pressure, difficulty breathing, and dilation of blood vessels. In some severe cases, the person may go into a state of...

IntroductionA wasp is an insect that belongs to the order of Hymenoptera and suborder Apocrita. Wasps can be identified from bees and ants through their physical and behavioral characteristics. They have a slimmer and smooth body with few hairs. Wasps are also parasitic and predatory in nature....

What is the immune system and how does it work?The immune system is regarded as the natural defense system in your body. The immune system, together with a network of cells and tissues, as well as body organs, protects your body against harmful foreign invaders or substances. Examples of foreign...

It is very hard to diagnose lupus. Since two individuals can have different signs of lupus, doctors have a hard time diagnosing it and treating it effectively. To diagnose lupus, it can take a long time, which can be distracting to both the doctor and the affected person. The symptoms of lupus can...

Bronchitis and Asthma are both inflammatory conditions that affect lungs where a person’s airways swell up, causing them breathing problems.Asthma, also known as bronchial asthma, is characterized as a chronic condition in which a person’s airways become inflamed, narrow and swollen, and produce...

Chicken pox is a common disease that is mostly observed in children that are below ten years of age. Despite the vaccine being introduced to prevent the disease from occurring, it usually does affect people once in their lifetme. When the virus stays in the body for a prolonged period of time,...