Type D personality and cardiovascular risk

Research suggests that, for heart health, it's better to be a gregarious Pooh Bear than a gloomy, isolated Eeyore.

In the 1970s and '80s, the type A personality became a focus for cardiovascular research and a popular buzzword. People with such personalities — hard-charging, competitive, driven — were thought to be particularly at risk for heart attacks. But research hasn't borne out the connection.

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