Son's sees how Alzheimer's affected his mum's brain across the years | The Jennings v

In this incredibly moving clip, John sees the effects of Alzheimer's on his mum's brain throughout the years after she developed it at just 54 years old. #TheJenningsVsAlzheimers #iPlayer Subscribe and ???? to the BBC ???? https://bit.ly/BBCYouTubeSub Watch the BBC first on iPlayer ???? https://bbc.in/iPlayer-Home When a mutant gene causing Alzheimer’s is discovered in the Jennings family, it leads scientists on a journey to develop a cure and leaves family members with a terrible dilemma. #TheJenningsFamilyvsAlzheimers #iPlayer All our TV channels and S4C are available to watch live through BBC iPlayer, although some programmes may not be available to stream online due to rights. If you would like to read more on what types of programmes are available to watch live, check the 'Are all programmes that are broadcast available on BBC iPlayer?' FAQ ???? https://bbc.in/2m8ks6v.