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.

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

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 ...

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 ...

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 ...

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 ...