A metabolism test provides a snapshot of certain hormone levels to understand how your body converts calories into the energy that fuels every physical, biological, and mental activity. These tests ...

Testing for meningitis may include a physical exam, blood tests, bacterial cultures, imaging, and a spinal tap for cerebrospinal fluid testing to confirm the diagnosis. Seek emergency care for severe ...

Vertigo is an unpleasant symptom triggered by a false sensory signal from your balance system to your brain that your surroundings are spinning, tilting, or moving, which can make you feel dizzy or ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Lipoprotein (a) is a low-density lipoprotein that transports cholesterol in the blood. The lipoprotein (a) test — or Lp(a) test — determines the level of this lipoprotein in the blood, and its results ...

You have two carotid arteries in your neck that are responsible for supplying oxygen-rich blood to your head and brain. Like all arteries, carotid arteries are made up of three layers: An outer ...

Most people start by seeing their GP. Your GP can do some tests to help them decide whether you need to see a specialist (haematologist). Your GP might arrange: give a sample of your urine in a pot to ...

Try these quizzes based on GCSE geography past papers. By working your way through the geography questions created by experts, you can prepare for your geography exams and make your revision more ...

"I don't know what to do!" cried Scrooge, laughing and crying in the same breath; and making a perfect Laocoön of himself with his stockings. "I am as light as a feather, I am as happy as an angel, I ...