What is described by the examples in the box above?

Can donating blood make you tired several days later? Can a person having Kidney stone take calcium with vitamin D tablets? What is the prognosis for choking? How are the organs in the body affected by syphilis? What do you give a puppy to make it throw up? What does tingling in nostrils mean? Is there a test for OCD? Can vitamin b cause heart palpitations? Doctor Who is related with eye is called? Can acid reflux lead to sinus and nose pressure? What are treatments for Guillain Barre Syndrome? What is the long term affects of typhus? Which piercing hurts the most to least? Is ADHD caused by a chemical imbalance in the brain? Are GAF capstone roofing shingles with granite coloring still available? Where is the cisternae located? What muscle connects to the fibula? What if your girlfriend has attempted suicide? What is a pleural hemorrage? How many times bigger is the Tyrannosaurus rexes skeleton from a humans skeleton?