article_snippet.sent: a new study involved men and women who had been diagnosed with Stage B heart failure.
article_snippet.sent: Stage B is where patients have developed structural heart disease - patients may, for example, have had a heart attack that damaged the heart - but do not show symptoms of heart failure, such as shortness of breath or fatigue.
article_snippet.sent: It is important to make beneficial lifestyle changes at this stage because patients are at a high risk of progressing to Stage C heart failure - where risk of death is five times higher - the researchers said.
article_snippet.sent: Inflammation can often worsen heart failure.
article_snippet.sent: Patients who were more grateful had lower markers of inflammation, which can worsen heart failure .
highlights_snippet.sent: Heart patients who were more grateful had lower markers for inflammation - which can worsen heart failure .
  