If you apply to several companies, particularly within a short period of time or at the same time, & one co. picks up an adverse hx (develops an adverse history) they will notify the MIB (Medical Information Bureau) of the hx by code & the MIB will let the other cos. know of the application & the code for what the co. picked up. If the hx is significant, the other cos. will/can contest their pol. within the 1st 2 years.