Happiness can break your heart too

The study was published in the European Heart Journal on Thursday. Heart experts Dr Christian Templin and Dr Jelena Ghadri analysed data from 1,750 patients who suffered from Takotsubo Syndrome. The sufferers were from nine _______________ (7 DIFFERENCE) countries. They found 485 patients got TTS because of an _______________ (8 EMOTION) happening. Twenty of these had TTS because of a happy or joyful event. The patients had heart problems after events like a birthday party, a wedding, a favourite sports team winning a game, and the _______________ (9 BORN) of a grandchild. Dr Ghadri said our body and brain may think happy and sad events are _______________ (10 SIMILARITY), so both can result in Takotsubo Syndrome.
(Adapted from breakingnewsenglish.com on 5th March 2016)