Mary Beth Nierengarten, MA
Mary Beth Nierengarten is a freelance medical writer with over 25 years of experience. Her work appears regularly in a number of print and online publications.
Bipolar disorder in children: Assessment and diagnosis
Bipolar disorder is a serious mental health disorder that is often first diagnosed during young adulthood or adolescence. Symptoms of the illness, however, also can appear in early childhood.
Diagnosis and management of croup in children
A common childhood upper-airway disorder, croup is among several respiratory illnesses that require pediatricians and other healthcare providers to make an accurate differential diagnosis to ensure appropriate treatment.
Improving diagnosis and treatment of pediatric AIS
This article provides guidance on improving rapid recognition and diagnosis of pediatric AIS to facilitate better acute management necessary to limit or reduce the effects of stroke on children.
Bronchiolitis guidelines: Diagnosis, management, and prevention
Bronchiolitis, an acute inflammatory injury of the bronchioles, is the most common cause of lower respiratory tract infection in children aged younger than 12 months.
FDA's sunscreen recommendations
The need to protect the skin from excessive sun exposure from ultraviolet radiation (UVR) is now well established based on studies showing a clear causal link between excessive UVR exposure and damage to the skin that raises the risk of skin cancer and leads to premature aging.
Tumor classification using molecular signatures
Classifying malignant tumors has typically relied on pathologic criteria from the tissue site of origin with histologic and other clinical characteristics of the tumor determining the target and type of therapeutic intervention. This approach to classifying cancer, however, is slowly being rethought.
Juvenile idiopathic arthritis: Rethinking remission
Juvenile idiopathic arthritis (JIA) refers to a heterogenous group of all forms of chronic arthritis in childhood with no apparent cause that begins prior to age 16 years and lasts for more than 6 weeks.
Pediatric nonalcoholic fatty liver disease
Nonalcoholic fatty liver disease (NAFLD) in children is increasing, with studies showing it to be the most common liver abnormality in children aged 2 to 19 years.

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