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Children exposed to secondhand smoke risk pneumonia, bronchitis


by Nampa/Reuters
Health

 

 

Infants and young children whose parents smoke are among the most seriously affected by exposure to secondhand smoke, being at increased risk for a number of health problems, including lower respiratory tract infections such as pneumonia and bronchitis.

Children exposed to secondhand smoke are also more likely to suffer symptoms of respiratory irritation like coughing, wheezing, and excess phlegm. Secondhand smoke can also lead to a buildup of fluid in the middle ear, the most common cause of hospitalisation of children for an operation. 
Children with asthma are especially at risk and secondhand smoke may also cause thousands of children without asthma to develop the condition each year.

Secondhand tobacco smoke is the smoke inhaled by nonsmokers — smoke in the air from someone smoking cigarettes, cigars, or pipes in the indoor environment.

Secondhand smoke is a health concern, especially for young children. The lungs of young children are still developing and are particularly sensitive to the effects of secondhand smoke.

Children are also vulnerable to exposure to secondhand smoke because they must depend on parents, care-givers, and other adults to keep their environment healthy. Children are typically exposed involuntarily to secondhand smoke.

Living with secondhand smoke can mean that children suffer from recurrent coughs, wheezing, stuffy noses, headaches, sore throats, eye irritation, ear infections, hoarseness, dizziness, nausea, loss of appetite, lack of energy, and fussiness.

Although one can take measures to reduce exposure to secondhand smoke, such as increasing ventilation, opening windows, or using exhaust fans, nothing is as effective as simply not smoking in the home.
Sleep apnea worse in winter: Study
Respiration problems in sleep apnea — which causes people to momentarily stop breathing multiple times throughout the night, for seconds to minutes at a time — appear to worsen during the colder months of the year, according to a study from Brazil.

Changes in weight and seasonal allergies can affect sleep apnea, and researchers writing in the journal Chest wanted to see if weather changes might also have an impact.

“More sleep disordered breathing events were recorded in wintertime than in other seasons,” wrote study leader Cristiane Maria Cassol from the Universidade Federal do Rio Grande do Sul.

Cassol and her team said it could be due to several causes, including winter-related upper-airway problems that intensify the severity of symptoms and the use of burning wood to heat homes during the winter.

The team utilised data from sleep clinic patients and looked at how many times their rest was disturbed by breaks in breathing. The study included one night of sleep for more than 7 500 patients over a 10-year-period.

Researchers then compared the severity of the patients’ apnea to the weather conditions at the time, including humidity, temperature and air pollution.

Patients who came in during colder months had more nighttime breaks in breathing than those who sought treatment during warmer months. During the winter, patients stopped breathing an average of 18 times an hour compared to 15 times an hour during the summer.
Similarly, the sleep clinic was more likely to see the most severe cases — people who stopped breathing more than 30 times an hour — during the colder months.

About 34% of patients who came in during cold weather had severe apnea, compared to 28% of patients during warmer weather.

The team found that certain weather conditions, such as high atmospheric pressure and humidity and high levels of the air pollutant carbon monoxide — were tied to worse cases of apnea.

But the study could not determine whether it was the weather itself that was responsible for the more severe apneas.

Jerome Dempsey, who studies breathing problems at the University of Wisconsin and wasn’t involved in the study, said it makes sense that airway infections and weather could have an effect on sleep apnea, but that the changes across the seasons were small.

“There are so many things that affect sleep apnea, including the decision of when to come visit,” a sleep clinic, Dempsey said.

In other words, it might not be the weather but the time of year that makes it more convenient for patients to take the time to seek treatment.
He added that while winter-related conditions such as colds or allergies might intensify sleep apnea, the biggest risk factor is obesity. Nampa/Reuters