Diet seems to be a crucial player. In the past, several systematic reviews have found healthy diets, like the Mediterranean diet, are linked to a reduced risk of dementia. Meanwhile, the Western diet, which is high in saturated fat, sugar, and salt, seems to be a risk factor for dementia.

An international study led by a University of Queensland researcher has found frailty increases a person's risk of dementia, but early intervention may be the key to prevention.

A new study has linked asthma in children to memory problems, with researchers warning that the early onset of the condition could exacerbate the issues and increase the risk of dementia