Bacteria linked to stress-induced heart attacks
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/06/ticker_Pseudomonas_aeruginosa_free1.jpg?fit=860%2C460&ssl=1)
The bacterium Pseudomonas aeruginosa can release potentially dangerous enzymes when exposed to the stress hormone norepinephrine that may start a cascade of events ending in a heart attack, a new study suggests.
HansN./Wikimedia Commons (CC BY-SA 3.0)