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Testicular Torsion in Children What is testicular torsion in children? Testicular torsion is a painful twisting of the testicles and spermatic cord. The spermatic cord is a set of nerves, ducts, and blood vessels that leads from the groin to the testicles. Torsion can happen to 1

Cholesterol in the Blood Facts about cholesterol Cholesterol is a fat-like, waxy substance that can be found in all parts of your body. It helps your body make cell membranes, many hormones, and vitamin D. The cholesterol in your blood comes from 2 sources: the foods you eat and

Caring for Someone with Alzheimer Disease Alzheimer disease is a type of dementia. Dementia is a condition that impairs a person's ability to think, concentrate, and remember (cognitive function). According to the Alzheimer's Association, Alzheimer disease accounts for the

Common Variable Immunodeficiency in Children What is common variable immunodeficiency in children? Common variable immunodeficiency (CVID) is an immunodeficiency problem that causes a child to have a low level of antibodies and a decreased responsiveness to some vaccines. This

Tension Headaches What is a tension headache? Tension headaches are the most common type of headache. Stress and muscle tension are often factors in these headaches. Tension headaches often don’t cause nausea, vomiting, or sensitivity to light. They do cause a steady ache, rather

IgA Vasculitis in Children What is IgA vasculitis in children? IgA vasculitis is also called Henoch-Schönlein purpura. It's not contagious. It involves swelling (inflammation) of small blood vessels. The swollen blood vessels leak into the skin, joints, intestines, and kidneys

How Were the COVID-19 Vaccines Made So Fast? Vaccines for COVID-19 are now widely available. In the past, it’s taken many years to create a vaccine that’s ready for public use. But over decades of creating vaccines, research groups and public health agencies have been making the