There are babies out there who have survived dangerous situations that would have likely killed a grown man, sometimes because their smallness actually protected them, and sometimes because we're pretty sure they're just indestructible.
One thing we've learned, as a site that likes to publish reader-friendly science articles, is how much of the stuff that comes our way is, well, worthless.
The whole gift-exchange scenario is a lose-lose situation. Science has spent a surprising amount of time studying it an everything you thought you knew is wrong.