Dr. Robert W Petry MD

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...

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...

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...

Pollen grains from flowers are the main cause for spring allergies. When pollen enters an individual's nasal cavities, particularly in those who are allergic to them, it stimulates the immune system to react in an allergic response. Antibodies produced by the immune system start attacking the...

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...

In the early 19th to the 20th century, parents would have been surprised to know that future generations would be free from childhood diseases. Diphtheria was then one of the most common diseases that took the lives of thousands of children, while polio left thousands of children crippled. Measles...