A landmark report on the global economic impact of dementia finds that Alzheimer’s disease and other dementias are exacting a massive toll on the global economy, with the problem set to accelerate in coming years. The World Alzheimer Report 2010 provides the most current and comprehensive global picture of the economic and social costs of the illness, revealing that the worldwide costs of dementia will exceed 1 percent of global GDP in 2010, at $604 billion.