Daniel Callahan PHD

Recommended Articles

• Vertigo: Causes, Symptoms, and Treatment

  Vertigo is a fairly common condition that causes an individual to feel as if their head is spinning and he or she becomes dizzy. It is usually temporary, only for a few seconds to minutes, occurring only when you make sudden head movements, but sometimes it can be so severe that it begins to...

• Treatment for Meningitis

  The severity of meningitis varies from one person to another. In common cases, medications can help solve the problem and the person may recover within 1 to 3 weeks. But in cases where there is a risk of the infection spreading to the meninges, hospitalization and other confirmation tests might be...

• 6 Essential Beauty Tips

  Lisa Ginn, MD, a cosmetic dermatologist in Chevy Chase, has a few tips to follow to achieve beauty.Wash your faceNever go to bed without cleaning the face is the first rule to be followed for glowing skin. Morning make up can stretch the pores in the skin and give an aging look to the skin. Using an...

• Complications of Glucose-6-Phosphate Dehydrogenase (G6PD) Deficiency

  IntroductionGlucose-6-phosphate dehydrogenase (G6PD) deficiency is an inherited condition in which the enzyme glucose-6-phosphate dehydrogenase is not produced enough by the body. This enzyme is needed to help the red blood cells (RBCs) of the body to function normally.If there is a lack of this...

• When Does Vaginitis Normally Occur?

  Also referred as vulvovaginitis or vaginal infection, vaginitis is the inflammation of the vagina. It can occur at any time in a woman’s life. The condition can lead to pain, itching, and unusual vaginal discharge, which are mostly accompanied with a vulva infection or irritation. Some women may...

• Tracking Sleep Apnea with a Portable Pulse Oximeter

  Portable pulse oximeters are typically used to monitor how much oxygen is moving through the bloodstream.  Basically, it’s the most effective and least invasive way to make sure that a patient has the right amount of oxygen and CO2 in their body. ...