Health
Studies suggest that the season of allergies will begin earlier and will be more intense due to climate change.
New studies show that the future allergy season will start more than a month earlier and will be much more intense due to the climate crisis. Due to global warming, the United States is 40 days earlier than in recent decades. Researchers have also found that annual pollen counts can increase by up to 250%. “Pollen is getting people’s attention because allergies affect our daily lives,” Alison Steiner, the author of the study and a professor at the University of Michigan, told CNN. “Most of the population is affected by these allergies and people are really interested in understanding how they change so that they can better manage their symptoms.” Allergies in the past. There is a study pointing out what the pollen looks like as the season gets longer Steiner with two children suffering from allergies is in high concentration and their study is with individual types of pollen He said it is unique because it categorizes tree sources by region and analyzes various plant sources, especially oak, cedar, and ragweed. The timing of pollen release is different, especially in areas with abundant deciduous trees. For example, in Michigan, where Steiner lives, birch trees usually pollinate first, then oak or pine, and then other species within a few months. Timing eventually overlaps with each other, leading to overall high concentrations that threaten public health. “Some people are allergic to certain pollens, others are not. Others have allergic proteins that can cause allergies. For allergic patients, the tests you performed Depending on the type, you may or may not know what you are allergic to, “Steiner said. “The high levels of pollen are in addition to the individual may be allergic.” Luis Jiska, a plant physiologist and associate professor at Columbia University, is constantly suffering from allergies. I have a rescue inhaler. He said the study extends the work already done and reveals that the climate crisis exacerbates allergies, asthma and other public health problems. His report told CNN. “Looking at the forecasts, especially for both high and low forecasts, very well shows the types of impacts that climate change can have directly on people’s health.” I was impressed with. We are also considering specific plant species on a very specific regional basis. ” Wind pollen, which plays an important role in plant fertilization, is closely related to changes in temperature and precipitation. When climate change warms up faster, plants can fertilize much faster and longer than they do today. Climate change also affects the cold hours of winter and the frost-free days of spring, and the seasons that affect the timing and duration of pollen. As temperatures rise in the south and droughts occur in the southwest, pollen from plants such as rugweed and poaseae (usually plants that grow in grasslands and salt marshes) is expected. Researchers say that longer and earlier pollen seasons can lead to public health emergencies. According to the Centers for Disease Control and Prevention, more than 24 million people in the United States experience pollen-induced respiratory allergies and hay fever. Further research is needed to determine the greater socio-economic impact, which can result in significant economic losses, Steiner said. A recent United Nations climate report emphasizes that planting more trees and plants in green areas can remove greenhouse gases from the atmosphere, which can lead to an increase in their pollen. However, not all plants produce pollen. Steiner said people shouldn’t worry about more trees increasing pollen concentration, as long as planners are paying attention to which trees to plant. At the same time as the massive emission of greenhouse gases, it raises the carbon dioxide already present in the atmosphere to manageable levels. “What happens between 2050 and 2100 really depends on human choice,” she said. “We really want that to change. Many of the climate communities want to see those reductions, although this concentration begins to level off, and hopefully temperatures begin to level off. , It takes a lot of work to make that change. “”
According to new research, the future allergy season will start more than a month earlier and will be much more intense due to the climate crisis.
The Published in the journal Nature Communications on Tuesday, the pollen season discovered by the end of the century could begin 40 days earlier than in recent decades in the United States due to global warming. Researchers have also found that annual pollen counts can increase by up to 250%.
“Pollen is getting people’s attention because allergies affect our daily lives,” Alison Steiner, the author of the study and a professor at the University of Michigan, told CNN. “Most of the population is affected by these allergies and people are really interested in how to understand [their allergies] It may change so that you can better manage your symptoms. “
Although studies have pointed out in the past that allergic seasons are getting longer and pollen levels are higher, Steiner with two children suffering from allergies is an individual type of pollen and tree source. They decomposed, so their study said it was unique, analyzing different plant sources, especially oak, cedar, and ragweed, by region.
The timing of pollen release is different, especially in areas with abundant deciduous trees. For example, in Michigan, where Steiner lives, birch trees usually pollinate first, then oak or pine, and then other species for several months.
However, in the future, the study found that once-timed different tree pollen varieties eventually overlapped with each other, increasing the overall concentration that threatened public health.
“Some people are allergic to certain pollens, others are not. Others have allergic proteins that can cause allergies. People with allergies are allergic types. Depending on what you are allergic to, you may not know what you are allergic to. In the tests you did, “Steiner said. ” [projected] The high concentration of pollen is in addition to the individual may have allergies. “
Luis Jiska, a plant physiologist and associate professor at Columbia University, suffers from allergies herself and always has a rescue inhaler. He said the study extends the work already done and reveals that the climate crisis, at some point, exacerbates allergies, asthma and other public health problems.
“This is a very solid science,” Jiska, who was not involved in the report, told CNN. “Especially looking at both high and low forecasts, we are very good at the types of impact climate change can have on people’s health directly.
“I was impressed with the particle size of the study, which was looking at more on a very specific region basis and also on specific plant species,” he added.
Wind pollen, which plays an important role in plant fertilization, is closely associated with changes in temperature and precipitation. Therefore, if climate change causes the spring season to warm up early, plants can pollinate much earlier and for longer periods of time.
Climate change also affects cold winter hours and frost-free days in spring, which affects the timing and duration of the pollen season.
Pollen from plants such as ragweed and grasses (usually plants that grow in grasslands and salt marshes) is expected to be higher in these areas than in the north, as temperatures are higher in the south and droughts occur in the southwest. It has been.
Researchers say that a longer and earlier pollen season can lead to public health emergencies. According to the report, more than 24 million people in the United States experience respiratory allergies and hay fever due to pollen. Centers for Disease Control and Prevention..
More research is needed to determine greater socio-economic implications, but Steiner said this can result in greater economic loss due to absenteeism, school days, medical costs, and premature death. rice field.
A Recent United Nations Climate Report The highlighted greenhouse gases can be removed from the atmosphere by planting more trees and plants in the green areas, which can lead to increased pollen in those areas. However, not all plants produce pollen. Steiner said people shouldn’t worry about more trees that increase pollen concentration, as long as planners are careful about which trees to plant.
As the windows for adapting to the climate crisis close rapidly, Steiner said if the world could significantly reduce greenhouse gas emissions while at the same time reducing carbon dioxide already in the atmosphere to manageable points. He said the predictions could still be avoided.
“What happens between 2050 and 2100 really depends on human choice,” she said. “We really want it to change. Lots [of us] The climate community wants to see these reductions. This concentration will level off and hopefully temperatures will begin to level off, but it will take a lot of work to bring about that change. “
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