Start making those lifestyle changes now to reduce your risk of dementia.
One in three cases of dementia could be prevented if more people looked after their brain health throughout life, according to an international study in the Lancet. It lists nine key risk factors including lack of education, hearing loss, smoking and physical inactivity. The study is being presented at the Alzheimer's Association International Conference in London. By 2050, 131 million people could be living with dementia globally. There are estimated to be 47 million people with the condition at the moment. Nine factors that contribute to the risk of dementia Mid-life hearing loss - responsible for 9% of the risk Failing to complete secondary education - 8% Smoking - 5% Failing to seek early treatment for depression - 4% Physical inactivity - 3% Social isolation - 2% High blood pressure - 2% Obesity - 1% Type 2 diabetes - 1%