Asthma is a main chronic respiratory disease worldwide, affecting over 330 million people of all ethnic groups throughout all ages. In the US, asthma is one of the most common and costly diseases and it is responsible for more than 5000 deaths annually. An association between climatic conditions (drought) and asthma mortality has been widely assumed. However, it is unclear whether climatic variations have a fingerprint on asthma dynamics over long time intervals. The global environment has been facing large changes during the last century, which can also affect respiratory health with increased asthma frequency worldwide. According to McCabe et al. (2004), spatial and temporal variances in multidecadal drought frequency over the contiguous US are attributable to the Atlantic Multidecadal Oscillation (AMO) and the Paciﬁc Decadal Oscillation (PDO) interaction. In view of the statement of the Global Asthma Network, we hypothesized that drought and asthma mortality may show similar periodicity in the contiguous US. To detect a possible correlation between drought and asthma mortality rates annual data (from 1950 to 2015) of asthma mortality were downloaded from the US National Center for Health Statistics. AMO and PDO data were downloaded from National Oceanic and Atmospheric Administration. The analysis of the signals was performed by applying the Empirical Mode Decomposition algorithm of Huang et al. (1998). To compare the dominant periodicities (asthma versus AMO versus PDO) we applied a bandpass filter. We found that asthma death rates evaluated in 4 different age groups share the same pattern of fluctuation throughout the 1950-2015 time interval, but different trends. Annual asthma death rates turned out to be correlated with the dynamics of the AMO, modulated by the PDO, and sharing the same averaged ∼44 year-periodicity. The results of the current study (Bonomo et al, 2019) have suggested an influence of climate patterns on asthma mortality rates in the US. This has prompted us to assess whether a similar association may be found for asthma incidence in Italy. A collaborative research (within the domain of the “One Health” concept) using data from the Italian branch of the European Community Respiratory Health Survey is ongoing to find a possible relationship of asthma incidence with drought indices.

Link between drought climatological indicators and asthma in the general population


<i>**Session Chairs: **Giancarlo Ciotoli (CNR IGAG), Carlo Ferretti (Geo Identity Research (GIR)), Mariano Mercurio (University of Sannio)</i><br><br>


S27. Geology, food and health

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The National Institute of Oceanography and Experimental Geophysics - OGS and the Department of Mathematics and Geosciences of the University of Trieste are proud to host the 90th Congress of the Italian Geological Society in Trieste on 14-16 September 2021.  The Congress will be held entirely online.

With the motto "Geology Without Borders" this event aims to promote Earth Sciences as a scientific discipline projected into the future, beyond geographical, political and disciplinary boundaries, to better understand the interior of Planet Earth and the structure of the subsurface, defend society from dangerous geological events, better understand climatic variability, plan the use of geo-resources in an ethical way and respecting the environment.


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Earth Sciences should be understood not only as necessary for a better understanding of the interior of the planet Earth, but also as a defense of society from dangerous geological events, for the understanding of climatic variations, for the planning and use of georesources in a ethical and respecting and protecting the environment.

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Link between drought climatological indicators and asthma in the general population

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