In 1990, 3.68 million people in China had dementia. By 2010, that number rose to 9.2 million. Dementia patient health care costs will soon be higher than heart disease and cancer combined. Experts believe the increase can be explained by a combination of factors in China such as increased life expectancy and massive demographic, social, economic and lifestyle transitions that have taken place over the previous two decades. The Lancet, June 2013