Skip to content

Content starts here

CLOSE ×

Red Membership Card

AARP Membership — $15 for your first year when you sign up for Automatic Renewal

Get instant access to members-only products and hundreds of discounts, a free second membership, and a subscription to AARP The Magazine.

Brain Teaser

Challenge Your Cognitive Know-How!

By

Staying Sharp

Published March 04, 2026

Laughter reduces the level of which stress-related hormone?

Estrogen

Testosterone

Cortisol

Insulin

A good guffaw can lower stress-related hormones, such as adrenaline and cortisol, that can harm our brain and body at chronically high levels. Click here to learn how to work more giggles into your day.

0 Correct

0 Incorrect

Oops...something went wrong. Please log out and log back in to continue.

More From Staying Sharp

Meditation to Work With Difficult Emotions

When we deny what's difficult, we create more suffering

MEMBERS ONLY

Bake Something Delish for a Happier Mood

Relax and have fun baking your favorite desserts and snacks

MEMBERS ONLY

Deep Listening for Emotional Well-Being

The emotional benefits of truly listening to music and tips for the practice

Benefits Recommended For You

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.

Unused AARP Rewards points expire 12 months after they are earned, in monthly batches on a rolling basis.