Alzheimer's is one of the cruelest diseases we can face, robbing someone of their most cherished memories. Long ago thought of as an random affliction in older age, we are now beginning to understand the causes and ways to fight it.
This week Luke explores the science of Alzheimer's and also a new drug that could change the way we think about the diseases, but a drug that has not escaped controversy.
Show me the Science is with thanks to B Braun.