Food that might help prevent dementia [Getty Images]

TORONTO, ON -AUGUST 31 - Broccoli in Kensington Market in Toronto, August 31, 2015. (Marta Iwanek/Toronto Star via Getty Images) — see more

TORONTO, ON -AUGUST 31 - Broccoli in Kensington Market in Toronto, August 31, 2015. (Marta Iwanek/Toronto Star via Getty Images)

Toronto Star Marta Iwanek