e esrp, ts who had r smokere rethan two times akeke to develop ng c ccer, y if f had ten foods gh in arch d susur,ostltlprocseseseodod including fos like whihi bread, bagelelelopcoco and saltines andretzels.s.searchers believe the sudden bloooosugar spike can affect the way cells grgr, someththg thth ve a ao seen in other ca >>hat t is does isist causessuli^esiststce in the ces, and these tpotentially increasing growth factors that aressociated with the development of cancece >> reporter: docrsay it's far too early to conclude whit brbrd leads to cancer, but a leaniewith plenty of fruitit vvies and lowslscemic carbs is always a hethier chcecece tom coelelel, nbc news, washington. >> we' back in a moment with a clososca that totay shocked tv. >>> spsp > sprn areistancing themlves fm maria sharapova after the tennis superstar admitted testing positivfor a banned substance.. porsche and luxuxu watchmakerag heuer suspended tiei. shararova claimshe didn'tt know babaed list at the start of the year because sidn' open an e-mail link from doping ofofcials.s. >>> a reporter from northn califo