In a new dementia report published in The Lancet journal by researchers who are part of The Lancet Commission, two new modifiable risk factors have been identified: high cholesterol after 40 and untreated vision loss. Health: If You Sleep In This 1 Position, Doctors Say You Need To Stop ImmediatelyIn 2020, these same researchers determined 12 modifiable risk factors that are known to put folks at higher risk of developing dementia. Researchers determined these two new risk factors by looking at recent meta-analyses and studies on the topics; they looked at 14 papers on vision loss and 27 on high cholesterol. Health: Researchers Have Discovered 2 New Dementia Risk Factors. But someone who is diagnosed with dementia or mild cognitive impairment can benefit from managing these risk factors, too.