An increase in the number of chest infections this summer has been blamed on environment changes with hot, dusty air mixing with humid conditions, UAE doctors have said.
Exposure to poor air quality and an increase in vaping are also having an effect on the number of people being treated for respiratory conditions in clinics.
Some hospitals reported a surge in case numbers during recent weeks as the dusty, humid conditions caused misery for those with chronic respiratory problems and allergies.
Almost half of patients seen by doctors at Bareen International Hospital in Abu Dhabi reported some kind of respiratory condition, with bronchitis a common complaint.
Most of the bronchitis we are seeing now is related to the environment rather than a virus
Dr Hardik Patel,
NMC Royal Hospital Dubai
"We are seeing lots of patients with chest infections like bronchitis, and other kinds of problems," said Dr Ahmed Raza, an internal medicine specialist at Bareen International Hospital.
"They are not coming from a background of influenza. They have had a cough for two weeks or more, which is unusual," he said.
Dr Raza said that dusty, humid weather can cause issues this time of year, especially for children and asthmatics.
"Last week we saw an increase in these patients. Out of 30 patients in a day, almost half were coming to us with these respiratory problems, so it is a pattern," he said.
"We would expect to see this number of patients during the winter, which makes it unusual during the summer."
Health campaign
As temperatures creep up to nearly 50°C, and humidity up to 100 per cent at times, recent respiratory cases have worsened, doctors said.
The Ministry of Health and Prevention has launched a campaign to ensure safe working conditions are in place for those employed outdoors during the summer.
The campaign will make tours to construction sites and provide awareness lectures to impart health information during the intense seasonal heat.
Bronchitis is inflammation of the airways that lead to the lungs and it can be triggered by environmental factors.
It is usually caused by a viral infection but can also be the result of an allergic reaction to something inhaled, causing airways to swell and fill with mucus.
The condition usually manifests as a persistent cough, and wheezing or rattling sounds when breathing.
"Most cases of bronchitis are caused by viruses during winter, but at this time of year we are seeing more cases related to allergies as well as viral infections," said Dr Trilok Chand, consultant and head of the department of respiratory medicine at Burjeel Hospital in Abu Dhabi.
"We are currently seeing more acute bronchitis cases resulting from the change in the weather. It is something we would usually expect to see during the winter."
Dr Chand said that 90 per cent of cases during winter result from viral infections. While cases in the summer are usually related to allergies.
"In younger and older people, it can develop into pneumonia – usually if their symptoms are persistent and do not clear up after 7 to 10 days or so," he added.
Pneumonia risk
While most cases of bronchitis can be treated with an anti-inflammatory inhaler, antibiotics are generally used only once a viral infection has been detected.
If left untreated, severe cases can develop into pneumonia, with young children, the elderly and those with existing lung conditions, more vulnerable.
The condition inflames the lungs and can be serious, leading to hospital admission in some cases and can take months from which to recover.
“We are seeing a lot of chest infections at the moment, which is surprising as it’s not something we would expect at this time of year,” said Dr Hardik Patel, a pulmonologist at NMC Royal Hospital, Dubai Investments Park.
“It is likely a result of the increasing humidity outside, and people moving from a hot environment to an air-conditioned one inside.
“If someone has a pre-existing condition, if they vape or smoke, then it can make someone more vulnerable to these kinds of respiratory problems.
“Most of the bronchitis we are seeing now is related to the environment rather than a virus.
“It can stay in the body for a long time, and increased vaping is certainly contributing.
“If people share a vaping device or do not clean out their air-conditioning units regularly at home, then these conditions can become more common.”
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Dust storm
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2009: Los Angeles Lakers bt Orlando 4-1
2008: Boston bt Los Angeles Lakers 4-2
Global state-owned investor ranking by size
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United States
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China
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UAE
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Japan
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Norway
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Canada
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Singapore
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Coffee: black death or elixir of life?
It is among the greatest health debates of our time; splashed across newspapers with contradicting headlines - is coffee good for you or not?
Depending on what you read, it is either a cancer-causing, sleep-depriving, stomach ulcer-inducing black death or the secret to long life, cutting the chance of stroke, diabetes and cancer.
The latest research - a study of 8,412 people across the UK who each underwent an MRI heart scan - is intended to put to bed (caffeine allowing) conflicting reports of the pros and cons of consumption.
The study, funded by the British Heart Foundation, contradicted previous findings that it stiffens arteries, putting pressure on the heart and increasing the likelihood of a heart attack or stroke, leading to warnings to cut down.
Numerous studies have recognised the benefits of coffee in cutting oral and esophageal cancer, the risk of a stroke and cirrhosis of the liver.
The benefits are often linked to biologically active compounds including caffeine, flavonoids, lignans, and other polyphenols, which benefit the body. These and othetr coffee compounds regulate genes involved in DNA repair, have anti-inflammatory properties and are associated with lower risk of insulin resistance, which is linked to type-2 diabetes.
But as doctors warn, too much of anything is inadvisable. The British Heart Foundation found the heaviest coffee drinkers in the study were most likely to be men who smoked and drank alcohol regularly.
Excessive amounts of coffee also unsettle the stomach causing or contributing to stomach ulcers. It also stains the teeth over time, hampers absorption of minerals and vitamins like zinc and iron.
It also raises blood pressure, which is largely problematic for people with existing conditions.
So the heaviest drinkers of the black stuff - some in the study had up to 25 cups per day - may want to rein it in.
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