The act of breathing is now one of the major contributing factors that causes so-called ‘global boiling’, according to a team of WEF-funded scientists.
You will NOT believe what they are trying to make us swallow now, ok, you asked for it – KEEP READING IF YOU DARE.
According to scientific findings, the combined emissions of methane and nitrous oxide in human breath contribute to approximately 0.1% of the United Kingdom’s total greenhouse gas emissions.
And that’s not accounting for the toxic gas we release from burps and farts, or emissions that come from our skin without us noticing.
Dailymail.co.uk reports: THe new study was led by Dr Nicholas Cowan, an atmospheric physicist at the UK Centre for Ecology and Hydrology in Edinburgh.
‘Exhaled human breath can contain small, elevated concentrations of methane (CH4) and nitrous oxide (N2O), both of which contribute to global warming,’ Dr Cowan and colleagues say.
It’s crucial to avoid underestimating the impact of human emissions.
From our early years in school, many of us have learned that humans take in oxygen and release carbon dioxide through the process of breathing.
When we breathe in, the lungs take in air, which allows oxygen to transfer from the air into the bloodstream. Concurrently, carbon dioxide, a waste product, moves from the blood to the lungs and is exhaled out of the body.
In contrast to animals, plants utilize carbon dioxide to produce oxygen as a secondary outcome through the process of photosynthesis.
Every person breathes out CO2 when they exhale, but in their new study, the researchers focused on methane and nitrous oxide.
These two are both powerful greenhouse gases, but because they’re breathed out in much smaller quantities, their contribution to global warming may have been overlooked.
What’s more, plants essentially soak up all the CO2 that’s emitted in human breath, so ‘CO2 contribution in human breath to climate change is essentially zero,’ Dr Cowan told MailOnline.
The same can not be said for methane and nitrous oxide, as plants don’t use these gases in photosynthesis.
The researchers examined the levels of methane and nitrous oxide present in the breath of 104 adults from the UK, as part of there study.
Participants were required to take in a deep breath and hold it for five seconds, then exhale into a sealable plastic bag.
A total of 328 breath samples were collected and every participant had details recorded such as age, sex and dietary preference.
After analysing the samples, researchers found nitrous oxide was emitted by every participant, but methane was found in the breath of only 31 per cent of participants.
Researchers say those who do not exhale methane in their breath are still likely to ‘release the gas in flatus’– in other words, by farting.
It has been observed that individuals with methane in their breath are more likely to be female and over the age of 30, but the reason behind this phenomenon is still unclear to researchers.
The concentrations of methane and nitrous oxide in the samples allowed researchers to calculate the contribution of human respiration to the UK’s overall emissions, which was found to be 0.05% for methane and 0.1% for nitrous oxide.
Dr Cowan stresses that each of these percentages relate specifically to these respective gases, not all of the UK’s greenhouse gas emissions as a whole.
Researchers didn’t manage to find any link between gases in the breath and diets– although meat eaters are known to fuel the climate crisis in other ways.
The researchers emphasize that their investigation was limited to assessing greenhouse gases exhaled in breath, thereby offering an incomplete picture of an individual’s overall carbon footprint.
The writers mention that methane and nitrous oxide emissions are often disregarded in environmental monitoring since they are viewed as insignificant.
Additional research on human emissions of these gases, beyond just breath, may provide valuable insights into the effects of demographic changes and dietary shifts on the environment, according to the team.
Inside the human body, methane gas is produced by microorganisms called methanogens, which colonise our digestive tract.
The methane permeates into the bloodstream and is transported to the lungs, where it can be expelled through exhalation.
During this time, microorganisms in the digestive system and mouth convert nitrates from food and drink into nitrous oxide, a gas that is then exhaled by humans.
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