Negative thinking linked to dementia in later life, but you can learn to be more positive - CNN

Repetitive negative thinking in later life was linked to cognitive decline and greater deposits of two harmful proteins responsible for Alzheimer's disease, a new study found. But you can fight back by training your brain to be more optimistic. https://www.cnn.com/2020/06/07/health/negative-thinking-dementia-wellness/index.html