Christopher John Flynn DO

Contrary to popular belief, a woman’s voice does not change with the menstrual cycle, according to a new study. This study shows that the voice remains steady during the various hormonal changes associated with the menstrual cycle, and does not become very high or shrill during any part of the...

Nausea is a very unpleasant condition that is known as a feeling of sickness or uneasiness. Nausea is often a precursor to vomiting, and nearly everyone suffers from nausea at some point. Nausea can have a variety of different causes such as food poisoning, dehydration, motion sickness, morning...

Autism spectrum disorder (ASD), or autism, is a term used to describe a group of complex brain disorders in human beings. These disorders affect the social interaction of a person, verbal skills, nonverbal communication, and repetitive behaviors, along with any activity that needs a person to react...

If a person has shallow breaths or has one or more pauses in breathing while he or she sleeps, then that may be because of sleep apnea. Sleep apnea is a kind of disorder when the upper airway is occasionally hampered during a person’s sleep. According to the National Heart, Lung, and Blood...

The 3,500 calorie rule of dieters states that since there are 3,500 calories in one pound of fat, eating 500 fewer calories per day helps to lose one pound in a week. Researchers do not accept this rule, as it does not account for the reduction in the metabolic rate, loss of muscle mass, and other...

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...