Why risks can go wrong?

What would cause fluid retention in the legs and ankles of an elderly person? How do you stop a period on the same day? Can i see A dental diagram of all the human teeth? What does gastritis mean? What does it mean when the bottom of your stomach is hard n getting harder? How effective is the flu mist? It has been estimated that a human heart is capable of beating 2.8 billion times in a lifetime Assume this is true If a person's average heart rate is 72 beats per minute how long does he live? What are 3 animal flu's? How do you do the jaw thrust maneuver? When can you go back to work after a heart stent? Is insulin cross blood brain barrier? Can the Nutrisystem diet cause gallstones? Do narcissists usually end up old and alone? Can a celiac eat bulgar? Can you vomit pee? How many times do bulimics have to make themselves sick before it will show on there bodies? Your nipples are not sticking out they are pushed in and you are a 15 year old boy who have not hit puberty is that normal? Is 12.8 ferritin with a hemoglobin count of 13.6 low for a 14.5 years adolescent male? What is hepatitis caused by which pathogen and what part of the body is infected? Does bulimia and anorexia occur because others influence?