People with mild cognitive impairment who exercised for at least ten minutes more than once per week had an 18% lower risk of developing Alzheimer's disease compared to non-exercisers.

The APOE4 gene variant is associated with an increased risk of Alzheimer's disease (AD); APOE2 is protective against AD. The APOE2 variant is linked to increased lifespan, irrespective of AD.

In this study, Greek adults with amnestic mild cognitive impairment who consumed high-phenolic or moderate-phenolic extra-virgin olive oil for 12 months had significantly improved cognitive scores.

People who consume chili peppers may live longer and have a reduced risk of disease, correlational study finds. The compound capsaicin found in chilis exhibits anti-inflammatory and antioxidant effects.