As if rising temperatures weren’t enough, studies are showing that climate change is helping to promote antimicrobial resistance, which could render our medicines useless.
Our Problems Are Warming Up
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Thanks to climate change, the extreme heat that is sizzling up the United States is expected to bring even hotter summers in the future.
However, heat-related illnesses and runaway wildfires are just some of the problems that the high heat is bringing.
Climate Change to Blame
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It has been found that factors contributing to climate change are also helping along the spread of antibiotic-resistant “superbugs” that are seemingly immune to our medicines.
To make matters worse, higher temperatures, more flooding, rising pollution, and an increase in population crowding are all expected to fuel current bacterial resistance to drugs.
Fighting Bacteria
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With climate change seemingly ramping up and high temperatures occurring more frequently across the globe, international efforts to combat antimicrobial resistance (AMR) by developing new medication are becoming more urgent.
To Be Discussed
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This also means that when governments gather in September for the UN General Assembly to discuss ways to fight AMR, climate change will undoubtedly be on the topic list.
Big Risks
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Anthony McDonnell, a senior policy analyst at the Center for Global Development in Washington, says, “There are currently no good estimates of how much worse climate-related disasters will make the burden of resistance — but it is clear that the risks are very large.”
He added, “This area requires far more research to enable us to determine the tools needed to deal with this worrying inevitably.”
AM What?
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Antimicrobial resistance, or AMR, refers to bacteria, viruses, parasites, and other pathogens that evolve over time, developing the ability to resist medications developed to fight them.
The evolution in itself is a natural response, yet climate change is helping the process along.
Ideal Environment
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As climate change is providing comfy conditions for pathogens to grow and spread, the scattering of these superbugs is fast-tracked.
Blame the Heat… Again
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The rising temperatures may result in higher rates of bacterial and viral reproduction, expand the variety of environments conducive to pathogens, and facilitate gene exchange between bacteria.
Are Diseases Winning?
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The result? Stronger strains of antibiotic-resistant microbes!
In due time, it is believed that even the most common infections will become harder to treat, upping the risk of spreading diseases, severe illness, and even death.
WHO Says What?
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Examining the current rate, the World Health Organization estimates that, by 2050, the direct death count due to AMR will rise to about 10 million people every year.
It’s Already Active
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As per a 2022 study, AMR contributed to nearly 5 million deaths across the world in 2019 and can be held directly responsible for over a quarter of them – more than 1,250,000 lives lost.
And the Costs
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By 2050, AMR can result in $1tn extra annual healthcare costs.
In addition, it could also lead to $1tn to $3.4tn gross domestic product losses annually as soon as 2030, according to estimations by the World Bank.
AMR Aiming at Whom?
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Lower- and middle-income countries – the same ones that are more vulnerable to the effects of climate change, such as flooding – are also more at risk when it comes to AMR infections.
Typhoid Triumphing?
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As per a study published in The Lancet Global Health journal in February, anti-microbial resistance to enteric fever (the waterborne disease that is better known as typhoid) has increased over the past 30 years in 75 countries where it is endemic.
Beware of Superbugs
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Other studies agree with the findings.
A report titled “Bracing for Superbugs” published last year by the UN Environment Program, states that, “The climate crisis has numerous impacts on ecosystems, human health, animal health, and food production, which also affect AMR.”
A Problem for Mankind
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England’s former chief medical officer, Dame Sally Davies, has also said that the increase of superbugs immune to antibiotics poses a more dangerous risk to humanity than climate change.
Worse Than Covid?
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Davies, who is now the UK’s special envoy on antimicrobial resistance, said that the increase in infections caused by bacteria, viruses, fungi, and parasites that can no longer be fought with available medication will “make some of Covid look minor” and is a “more acute” issue than global warming.
More Work Needed
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To stay ahead of evolving pathogens, investment in research and innovation must be emphasized. Unfortunately, our current efforts are not enough to keep pace.
As per the World Health Organization, there are currently fewer than 100 active antibacterial therapies. Compare that to the number of clinical trials for cancer treatments currently in the pipeline, which is more than 6,500.
An Expensive Undertaking
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The main hurdle causing us to lose our race against the ever-evolving bacteria? The expenses – to steer a new antibiotic through clinical trials will cost nearly $1 billion.
What’s the Plan?
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To successfully combat AMR, a comprehensive strategy involving scientific advancements, policy changes, and international cooperation is essential.
By prioritizing both climate change and AMR with the required urgency and resources, public health can be safeguarded to ensure a better, healthier tomorrow for everyone.
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