Exercise helps Alzheimer’s patient, 90, keep symptoms at bay [Video]

Six years after his Alzheimer’s diagnosis, 90-year-old Zelik (Zel) Bocknek refuses to slow down — and he believes his active lifestyle is key to keeping his symptoms at bay.

Bocknek, a retired business owner in Toronto, Ontario, was 84 when he began experiencing minor memory slips, such as forgetting the day of the week and not knowing the answers to basic questions.

After being diagnosed with mild cognitive impairment due to Alzheimer’s, he was offered the opportunity to join a clinical trial studying an experimental dementia drug.

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Since the trial ended 18 months ago, Bocknek has continued taking the medication and still enjoys his favorite activities, including downhill skiing, painting and volunteering at the local zoo.

“You have to keep yourself active, both physically and mentally,” Bocknek told Fox News Digital in an interview. “It’s important to stay busy.”

“Last year was the first time in over …