Dr. Fred H Hsieh M.D.

What is soy lecithin?The term "soy lecithin" has been widely used across the market today as a food additive. People are often skeptical of the word “soy” in soy lecithin because of certain allergies associated soy. During the mid-19th century in France and in the year 1846, there was a French...

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...

There are a number of triggers that can cause eczema flare-ups. Most patients will identify these on their own and possibly take steps to avoid them. However, whether diet can cause eczema flare-ups is still a bone of contention.For a long time, it had been held as an unprofessional myth or...

Inhalers are very popular, lifesaving medications for many who are suffering from asthma and other lung conditions. Knowing about the different types of inhalers and how to use them effectively is very important in controlling the conditions. An asthma inhaler is ideal to deliver the medication for...

The chance of getting infected by Lyme disease from a single bite depends on the type of the tick, how long it has been attached, and where it is acquired from. There are many types of ticks and not all of them can cause Lyme disease. The symptoms of Lyme disease are rash, fatigue, fever, facial...

What is poison ivy? Poison ivy (Toxicodendron radicans) is a popular plant known for causing rashes and skin irritation when one comes in contact with it.Poison ivy is a woody shrub or vine that is found in either shady or sunny locations. It can grow up to six feet tall as a shrub, or 150 feet tall...