1: Study finds popular weight loss diets reduce dementia risk in younger adults.

2: Keto, Paleo, and intermittent fasting linked to lower dementia risk in young people.

3: Mediterranean diet may protect young adults from cognitive decline, study shows.

4: Plant-based diets associated with decreased dementia risk among younger individuals.

5: Low-carb diets like Atkins and South Beach may help prevent dementia in under-40s.

6: DASH diet lowers dementia risk in younger people, according to new research.

7: Younger adults may reduce dementia risk with Whole30, Flexitarian, or Weight Watchers.

8: Vegan and gluten-free diets show promise in preventing cognitive decline in the young.

9: Research highlights the link between weight loss diets and decreased dementia risk in the youth.