Although the title suggests two habits the article lists nine habits.
Plant based people rejoice!

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Although the title suggests two habits the article lists nine habits.
Plant based people rejoice!
Eating foods included in two healthy diets — the Mediterranean or the MIND diet — is linked to a lower risk for memory difficulties in older adults, according to a study published in the Journal of the American Geriatrics Society.
Source: Mediterranean-style diets linked to better brain function in older adults — ScienceDaily
In summary, randomized controlled trials that lowered intake of dietary saturated fat and replaced it with polyunsaturated vegetable oil reduced CVD by ≈30%, similar to the reduction achieved by statin treatment. Prospective observational studies in many populations showed that lower intake of saturated fat coupled with higher intake of polyunsaturated and monounsaturated fat is associated with lower rates of CVD and of other major causes of death and all-cause mortality.
Eat more plants. Eat less of this stuff.
For those readers inclined to go deeper there is a link to the full study report on the AHA website link above.
And for readers who want an opposite point of view go to the article below.
Source: Op-Ed: Vegetable Oils, (Francis) Bacon, Bing Crosby, and the AHA | Medpage Today