Steve Thompson recalls signs of his early-onset dementia SUBSCRIBE Invalid email We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. More info An estimated 55 million people currently have dementia , due in part to the rising proportion of older people in countries around the globe. As populations continue to age, this number is expected to rise to 78 million by just 2030, the World Health Organization has warned. Managing risk factors like high blood pressure , however, could curtail the risk of brain decline for some people. Related articles Number of bowel movements daily could signal your heart attack risk Princess Beatrice's ongoing difficulty with 'muddled' thoughts Early research suggests that high blood pressure may contribute to the … [Read more...] about Dementia: High blood pressure may disrupt blood flow to the brain – key health tips