During the period of increased volatility in the stock market in 2006-2009, when stock market values decreased, heart attacks seemed to increase, and then decreased when stock trends improved.While earlier studies showed a link between traumatic events such Hurricane Katrina in 2005 and an increased risk of "cardiac events," there was limited data on the impact of financial markets.
References:
Stock market dips linked to heart attack surge: study - Yahoo! News.
Image source: Gray's Anatomy, 1918, public domain.