checks, and keep to trails to avoid the kind of precautions doreen has to take. is it t fair to say this has changed your life? very fair to say that anything i put into my body, i have to monitor. reporter: a call for awareness of an illness understood far too little. rehema ellis, nbc news. up next, the long haul for america s trtruckers in n our series the futurere of the road. one e prawn. verery good. did d i say chicicken wrong? tirered of peoplple not liststg to what yoyou want? it s truffffle season!n! ah t that s okayay. never enouough truffleles. how much a are they? it s a l lot. oh okakay - i m gogood, that- it s like e a priceless piecece of art.. enjoy. or w when they s sell you what they y want? yeahah. the morere we undersrstand yo, the bebetter we cacan help yo. that s w what u.s. bank is s for. huhuge relief.f. yeyeah. i i brought inin enensure max p protein with 30 0 grams of p prot. i i brought inin enensure max p protein ththose who trtried me felet more en