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Brain Teaser

Challenge Your Cognitive Know-How!

By

Staying Sharp

Published February 19, 2026

What is the recommended daily intake of vegetables for adults?

1 cup

2½ cups

3½ cups

4 cups

Eight in 10 American adults eat less than the recommended 2½ cups of vegetables and 2 cups of fruit per day, according to the USDA. Tip: Upping your intake of fruits and veggies may help protect against dementia. Read more here about habit switches that can support brain health.

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Legal Disclaimer: Staying Sharp, including all content and features, is offered for informational purposes and to educate users on brain health care and medical issues that may affect their daily lives. Staying Sharp is based on a holistic, lifestyle approach to brain health that encourages users to incorporate into their daily lives activities that are associated with general wellness. Nothing in the service should be considered, or used as a substitute for, medical advice, diagnosis, or treatment. Features including the Cognitive Assessment and Lifestyle Check-Ins, Additional Tests, exercises, and challenges assess performance at a particular moment in time on certain discrete cognitive tasks. Staying Sharp games are intended for entertainment and recreational purposes only. Various factors may affect performance, including sleep, tiredness, focus, and other social, environmental, or emotional factors. Performance is not indicative of cognitive health and not predictive of future performance or medical conditions.

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