new study suggesting that the more trans fats you eat, the less you will be able to remember. researchers found as levels of trans fats in men under 45 increase they performed worse on word memory tests. the results are the latest reason to avoid those trans fats which are still found in many packaged or processed foods. if you eat all that stuff, apparently you'll forget you ate it anyway. >> does that include the boston cream pie doughnut? custard in the middle. >> i don't know that one. >> chocolate stuffed with -- >> now i know what to bring for breakfast for you. >> thank you. >> i think it's bad for you. >> yeah. we turn to a major medical advance. a remarkable treatment that can cure the so-called bubble baby disease. children born with no immune system. >> it's taken three decade of research and now it's curing children of the disease.