I know we’ve all heard the phrase, “I feel like my heart is breaking.” It’s the universal language of grief, sadness, and overwhelming anxiety.

Epinephrine the medicine works the same way. If you have anaphylaxis, you get itchy and swell up. Your airways close so you ...

Good news for adrenaline junkies. An adrenaline burst could help scientists learn when we experience surprises due to the hormone noradrenaline, or norepinephrine. A study conducted at the ...