Sep 3Having a bad hair day is real

You know those cartoons that show people pulling their hair out due to crazy amount of frustration? Yeah, turns out that whole scenario could be linked to heart attacks. 

Via CBC, we hear that chronic stress is playing a role in heart attacks. 

Cortisol, a hormone secreted in higher levels during times of stress, is traditionally measured in blood, urine or saliva. But those measurements reflect stress only at a certain period of time, not over long stretches. 

Hair, however, captures cortisol levels over a longer period, said study author Dr. Gideon Koren, who holds the Ivey chair in molecular toxicology at the University of Western Ontario in London. 

Since hair grows one centimetre per month on average, a six-centimetre-long hair sample can show cortisol levels over six months, he said.

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