The survey was conducted for AARP by GFK.

Interviews were conducted online September 18-28, 2015 among a nationally representative sample of 1,563 adults age 40+.

Additional interviews were conducted with 388 African Americans, 362 Hispanics, and 308 Asians.

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The data is weighted by age, gender, race/ethnicity, employment status, and income.

For more information, contact Laura Skufca at LSkufca@aarp.org.

Adults 65-plus are at greatest risk.

A business meeting in a coffee shop between a businesswoman using a wheelchair and a man. The woman is using laptop and note pad. Other adults can be seen sitting behind.

Doctor reviewing brain scans

Woman whispering in man’s ear

Three-dimensional rendering of firing neurons

Older Woman Taking a Selfie With Her Dog