Sleep changes If you’ve always been a good sleeper but recently find you can’t snooze through the night, it could signal a thyroid problem. An overactive thyroid pumps out certain hormones ...

This remarkable shark can shut down its brain and slow its metabolism to survive in tidal pools while patiently waiting for ...

It doesn't matter how full you are, you can always fit in a bite or two or three of pie and ice cream. Scientists say it has ...