Stress levels, social comparison, and what's in the mirror can all impact your subjective age. Learn what that number means for your health and how to lower it.

If subjective vs objective data has you in a ball of confusion, you're probably overthinking it! Check out our simple guide to understand the differences. advertisement. Test Prep Nerds.

Indeed, some psychologists have speculated that a lower subjective age “is a form of self-defence” which is “protecting us from the negative age stereotypes”, said the BBC.

It's a common yet intriguing observation that whenever people describe their mental state, they often invoke spatial metaphors—feeling "up" and "down," for instance. In fact, ever since the ...