Is this a sign of pain or resentment of strangers? Clinicians must innovate (blowing on a 4-day-old infant’s face gives quite a lot of cranial nerve information), extrapolate (If unable to see in a ...

What If You Couldn’t? What if you had a food allergy, and your body’s immune system overreacts to what should be a harmless food protein? A reaction can be as bad as life-threatening anaphylaxis. This ...