How fast is your reaction time? How fast does the eye send messages to the brain... How fast is your reaction time? How fast does the eye send messages to the brain and the brain send messages to your ...

Dr. F. Dan Atkins answers the question: 'Lab Tests For Anaphylaxis?' — -- Question: Are there lab tests that can be done to determine if a reaction was due to anaphylaxis? Answer: The diagnosis ...

IN 1941 Kveim 1 described a new skin reaction in which the intracutaneous injection of a homogenate of human sarcoidal tissue led to the formation of a nodule at the test site over the course of ...

If you’re a big talker when it comes to how good a driver you are, you probably don’t have much proof to back up your claims. Maybe you’ll rattle off the last time you were in a car accident or the ...

What Is a Skin Allergy Test? Skin testing is one way your doctor can find out what you're allergic to so you can avoid an allergic reaction. Skin testing works because when you have an allergy, your ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.