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Diversification in causes of death in low-mortality countries: emerging patterns and implications
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  • Published on:
    A need for better understanding old-age mortality dynamics
    • Sergi Trias-Llimós, Post-doctoral Researcher Centre d'Estudis Demogràfics
    • Other Contributors:
      • Iñaki Permanyer, Senior Researcher

    A need for better understanding old-age mortality dynamics
    Sergi Trias-Llimós* & Iñaki Permanyer
    Centre d’Estudis Demogràfics, Carrer de Ca n’Altayó, Edifici E2, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
    * Corresponding author. Email:

    Correspondence letter in response to:
    Bergeron-Boucher M-P, Aburto JM, Raalte A van. Diversification in causes of death in low-mortality countries: emerging patterns and implications. BMJ Glob Health. 2020;5(7):e002414.

    Word count: 492

    The recent paper by Bergeron-Boucher et al. published in this journal reports an increasing diversity of cause-of-death mortality in low-mortality populations during the last 20 years [1]. Bergeron-Boucher et al. found that the preponderance of mortality from cardiovascular diseases in the countries under analysis has gradually declined in favour of a wide range of causes of death, including mental and behavioural disorders, nervous system or ill-defined causes. The increasing variability of causes of death is an important matter of potential concern because (a) fragmentation in cause of death might hinder further improvements in life expectancy, (b) preventive health policies have to cope with a more variegated set of causes, which imply more costly and less efficient health policies.
    Despite their enormous interest, these findings should be interpreted with caution. As the authors...

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    Conflict of Interest:
    None declared.