Left sided heart failure occurs when there is weakness or damage in the left side of the heart. Right sided heart failure develops when there is weakness of the muscles in the right side of the heart.

Whether you're left, right or ambidextrous, "handedness" is part of our identity. But a lot of people don't realize that we have other biases too and they are not unique to humans. My colleagues and I ...

This Pew Research Center study goes beyond Americans’ partisan attachments and vote choices to explore the values and attitudes that underlie the political landscape and the Republican and Democratic ...

A recent study suggests that left-handed people have an advantage in competitive contexts, while righties tend to cooperate better. Thank “evolutionarily stable strategy” for the mix. A study ...

"He tweets, and it's like flipping a switch," an expert witness said of Andrew Left at his trial.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. For decades, popular wisdom has held that left-handed people have a ...

Which hand you prefer to write, eat, and brush your teeth with shouldn't really matter in the grand scheme of things. Yet scientists have been studying human handedness for over a century and ...

Steve Jobs, Bill Gates, and Mark Zuckerberg share more than just their status as tech icons—they are all part of the roughly 10% of the population that is left-handed. And they're far from the only ...

Left-handers are more competitive than right-handers, according to a new study published in the journal Scientific Reports. The findings may help explain why left-handedness has persisted throughout ...

If a person has left sided heart failure, the left side of their heart does not fill with enough blood or pump it effectively. Left sided heart failure can lead to right sided heart failure. Heart ...