This New First Aid Device Sucks… Literally
Yes, literally. An MIT student has invented an amazing new low-tech, $3 suction device that helps open wounds heal faster.
Researchers have known for a while that suction quickens the pace of healing (they’ve got a hunch it has something to do with drawing out bacteria and improving circulation), but suction devices have been bulky and expensive.
The light weight and low cost of these new suction healing thingy-ma-whatsits (