neurologic damage or not. >> reporter: we have learned that officials in alabama and virginia are looking at possible cases of paralysis. busy emergency rooms like this around the country are on the lookout. abc, aurora, colorado. an aspirin a day may do more than prevent heart attack. a duke university study says it may help prevent prostate cancer. researcher had noticed that men who were taking a daily aspirin to prevent heart attacks seemed to have lower odd s of developig prostate cancer. anti-inflammatory medications have also proven effective with colon cancer. fore forbes list of the richest american shows the wealthiest are getting wealthier. bill gates tops the list with an $81 million fortune, up $9 million from last year. warren buffett, number two. his $67 billion fortune also increased last year. oracle's larry ellison is third with $50 billion in the bank, making $9 billion since the last list.