This week we talk about ruling out serious bacterial infection in young infants (https://www.ncbi.nlm.nih.gov/pubmed/30776077), whether exercise can prevent falls in the elderly (https://www.ncbi.nlm.nih.gov/pubmed/30592475), and whether statins and BP meds prevent cognitive decline (https://www.ncbi.nlm.nih.gov/pubmed/30814321).