Dementia trials bring hope

Over one hundred drugs are being trialled to control and reduce dementia. The drugs target different chemical processes. Trials are at different stages. And for each, long-term effects must be monitored. While final results are some years away, Dr Lila Landowski reports strong hope of eventual success. http://www.abc.net.au/radionational/programs/scienceshow/dementia-trials-bring-hope/9627102