Ever been called lazy for certain habits you just can’t shake? Good news – some of those so-called ‘lazy’ behaviors might actually be signs of higher intelligence. Scientists have found connections ...

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Prolonged breast-feeding is associated with higher intelligence in adulthood, longer schooling, and higher adult income, according to a study published March 17 in the Lancet Global Health. "Our study ...

Add Yahoo as a preferred source to see more of our stories on Google. We often think about intelligence in terms of IQ tests or how we scored on high school biology quizzes. You may think you need a ...

We all like to think we’re a little smarter than the average person. And while IQ tests aren’t something most of us take every day, there are little signs in your daily habits that might hint at just ...

Add Yahoo as a preferred source to see more of our stories on Google. Image Credit: Shutterstock. How is intelligence measured in your corner of the world? For many people, it boils down to school ...

You talk to yourself while problem-solving, planning, or navigating daily tasks. Maybe you narrate your actions aloud or hold full conversations with yourself. People might think this is odd. Research ...

Older people who stay sharp tend to have a thicker cortex, which is the outermost region of the brain that includes the areas responsible for judgment and complex thought. But while preserving the ...

We often think about intelligence in terms of IQ tests or how we scored on high school biology quizzes. You may think you need a Ph.D. (or three) to earn "intelligent" status. While straight A's and ...