Which word from paragraph 4 of "To a Healthier Future" comes from a Latin word meaning “having the condition of losing one’s mind”?

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In one experiment, a group of men who adjusted their physical activity, managed stress, and changed their diet turned off genes linked to prostate cancerNot highlighted: cancer. They turned on a gene that could produce a protein that causes cancer cells to self-destructNot highlighted: self-destruct. Similarly, lifestyle changes could influence colon and breast cancer and the processNot highlighted: process of switching on cancer-fighting genes while switching off cancer-promoting genes. Data show that healthy lifestyles are linked to a 60 percent reduction in the risk of developing dementiaNot highlighted: dementia.

dementia