Dr. William D. Tynan PH.D.

Babies born at 40 weeks have a lower risk of developing cerebral palsy, when compared to babies born at 37 or 38 weeks, or at 42 weeks and later, according to a new study published in, The Journal of the American Medical Association. But the absolute risk of developing this condition in babies is...

Croup is a viral infection that causes swelling of the airway. As a result, the airway becomes narrower, making it difficult to breathe. It is also accompanied by an irritation in the larynx (voice box) and trachea (windpipe). This condition is also known as laryngotracheobronchitis because the...

What is laryngitis?Laryngitis is the swelling of your voice box. It is often caused by an infection, mostly by a virus. The voice box is also known as the larynx. It links the back of your throat to the windpipe. The vocal cord and larynx are part and parcel and are required for speech. Laryngitis...

The results of a large study published in the journal Pediatrics, has shown that childhood food allergies are more common and dangerous than previously thought. In this study, researchers conducted a detailed survey of about 38,000 families who had at least one child under the age of 18-years-old....

Herpes is caused by the herpes simplex virus (HSV). This virus causes both genital herpes and oral herpes (cold sores). However, the strain varies, with the herpes simplex virus type 1 (HSV1) causing cold sores while the herpes simplex type 2 (HSV2) causes genital herpes. HSV1 is mostly transmitted...

A rotavirus is an oral vaccine against the rotavirus infection, which causes diarrhea, vomiting, fever, and headache in babies aged between 8-12 weeks. The diarrhea can be severe, which leads to dehydration. This vaccine is given to the child through the mouth using a dropper. Who should have a...