New study finds managing hypertension helps lower dementia risk / Blood pressure and dementia risk share surprising link, study suggests / Reducing high blood pressure can cut risk of dementia / Help to reduce high blood pressure lowers dementia risk, study finds / Smartphone use could reduce dementia risk in older adults, study finds / Dementia risk connected to cannabis-related hospital visits, says study / Shingles vaccine cuts dementia risk by 20%, study finds / Dementia risk could dip with common vaccine, study suggests / Doctor lists 14 risk factors that contribute to developing dementia - five are 'sneaky' / Study finds strongest evidence yet that shingles vaccine helps cut dementia risk