 
                                            
            
Microsoft co-founder Allen treated for lymphoma
                                            
            
New advice: Skip mammograms in 40s, start at 50
                                            
            
Going high-tech to track Alzheimer’s patients
                                            
            
FDA reviews update to Pfizer vaccine for kids
                                            
            
Human Genome sees FDA delay with anthrax treatment
                                            
            
Poniard cancer drug misses goal in lung cancer
                                            
            
Study raises new questions about Merck pill Zetia