A new study at the University of California in the US have found that people who feel dizzy or lightheaded when they stand up may have an increased risk of developing dementia. The condition called orthostatic hypotension occurs when people experience a sudden drop in blood pressure when they stand up according to the study published in the journal Neurology. The study found the link with dementia only in people who have a drop in their systolic blood pressure not in people with only a drop in their diastolic blood pressure or their blood pressure overall. Monitoring BP levels will