The key difference between primary and secondary dysmenorrhea is in the root cause. Primary dysmenorrhea is menstrual pain due to natural contraction of the uterus during menstruation. Secondary ...

Depending on which credit card you have, you’ll receive primary or secondary rental car insurance. This article explains how rental car insurance works, the difference between primary and ...

To further muddy the waters, card reviews and advertising generally label the insurance as primary or secondary. Before applying for a card, it’s worth knowing the differences between these ...

Need to know the ins and outs of insurance coverage such as the difference between primary and secondary coverage and how you can tell which benefits are covered under which policy? This coverage is ...

The causes of primary versus secondary hyperthyroidism differ. Thyroid problems cause primary hyperthyroidism while problems in the pituitary gland cause secondary hyperthyroidism. Hyperthyroidism ...

The place of swelling depends on the nature of the etiology—either primary or secondary lymphedema—and can actually have a deep impact on a patient's life. Outside of physical pain and ...

Treating wastewater is essential to protecting public health and maintaining environmental stability. Primary and secondary treatment methods use targeted techniques to remove contaminants, preserve ...

Patients with secondary rectal cancer after prostate cancer radiation therapy may have worse survival than patients with primary rectal cancer. Secondary rectal cancer after prostate cancer ...

Understanding the difference between primary market and secondary market requires having an overview of the two types of markets separately. Now that you have a basic idea of the primary market ...