High levels of free testosterone in women tied to 44 percent reduced risk of asthma
High levels of free testosterone in women tied to 44 % reduced risk of asthma, revealed a study published recently. This was the first population-based study which assessed the association of sex hormones with asthma risks in males and females.
The study also showed that women with asthma appear more likely to have lower levels of ' free' ( not attached to proteins) testosterone than women who do not have asthma.
In " Sex Hormones and Asthma in a Nationwide Study of U.S. Adults", also report that among obese women, those with asthma are more likely to have lower levels of estradiol, another sex hormone, than those who do not have asthma. In addition, the researchers found that among non-obese men, those with asthma are more likely to have lower levels of estradiol than those who do not have asthma.
Previous studies have reported specific differences between pediatric and adult asthma patients based on sex. Although asthma is more common in boys than in girls, asthma is more common in women than in men.
Given that sex hormones may explain these sex-specific differences, lead author, said they conducted this study to examine whether sex hormones are associated with asthma in adult men and women.
They also wanted to test whether any association varies between obese and non-obese individuals.
The authors analysed information from 9,238 adults, ages 18-79, who participated in the U.S.
National Health and Nutrition Examination Survey (NHANES) from 2013-16. Overall, 9% of the participants had asthma. Among women, the asthma rate was double that of men 12.5 % vs 6.1%.
The study found that elevated levels of sex hormones reduced the likelihood of asthma. Specifically-
* in women, levels of free testosterone in the highest quartile compared to the lowest quartile were associated with 44% lower odds of asthma.
* among obese women, levels of free testosterone in the highest quartile compared to the lowest quartile were associated with 41 % lower odds of asthma.
* among obese women, levels of estradiol on the highest quartile compared to the lowest quartile were associated with 57 % lower odds of asthma. Levels of estradiol in the 2nd and 3rd quartiles compared to the lowest quartile were also associated with reduced odds of asthma in these women.
* among non-obese men, levels of estradiol in the highest quartile compared to the lowest quartile were associated with 56 % lower odds of asthma.
Because the study was cross-sectional, it cannot determine whether sex hormone levels led to asthma. Study limitations also include lack of information about the current menopausal ststus of participating women, insulin resistance, or environmental exposure to chemicals that may have affected sex hormone levels.
Our study results suggest that the circulating sex hormones estradiol and free testosterone contribute to sex differences in asthma among adults, the Dr. said. Furthermore, obesity appears to modify the effect of such hormones on asthma in women and men.
He added that longitudinal studies are needed to confirm and expand on these findings.
this is only for your information, kindly take the advice of your doctor for medicines, exercises and so on.
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The study also showed that women with asthma appear more likely to have lower levels of ' free' ( not attached to proteins) testosterone than women who do not have asthma.
In " Sex Hormones and Asthma in a Nationwide Study of U.S. Adults", also report that among obese women, those with asthma are more likely to have lower levels of estradiol, another sex hormone, than those who do not have asthma. In addition, the researchers found that among non-obese men, those with asthma are more likely to have lower levels of estradiol than those who do not have asthma.
Previous studies have reported specific differences between pediatric and adult asthma patients based on sex. Although asthma is more common in boys than in girls, asthma is more common in women than in men.
Given that sex hormones may explain these sex-specific differences, lead author, said they conducted this study to examine whether sex hormones are associated with asthma in adult men and women.
They also wanted to test whether any association varies between obese and non-obese individuals.
The authors analysed information from 9,238 adults, ages 18-79, who participated in the U.S.
National Health and Nutrition Examination Survey (NHANES) from 2013-16. Overall, 9% of the participants had asthma. Among women, the asthma rate was double that of men 12.5 % vs 6.1%.
The study found that elevated levels of sex hormones reduced the likelihood of asthma. Specifically-
* in women, levels of free testosterone in the highest quartile compared to the lowest quartile were associated with 44% lower odds of asthma.
* among obese women, levels of free testosterone in the highest quartile compared to the lowest quartile were associated with 41 % lower odds of asthma.
* among obese women, levels of estradiol on the highest quartile compared to the lowest quartile were associated with 57 % lower odds of asthma. Levels of estradiol in the 2nd and 3rd quartiles compared to the lowest quartile were also associated with reduced odds of asthma in these women.
* among non-obese men, levels of estradiol in the highest quartile compared to the lowest quartile were associated with 56 % lower odds of asthma.
Because the study was cross-sectional, it cannot determine whether sex hormone levels led to asthma. Study limitations also include lack of information about the current menopausal ststus of participating women, insulin resistance, or environmental exposure to chemicals that may have affected sex hormone levels.
Our study results suggest that the circulating sex hormones estradiol and free testosterone contribute to sex differences in asthma among adults, the Dr. said. Furthermore, obesity appears to modify the effect of such hormones on asthma in women and men.
He added that longitudinal studies are needed to confirm and expand on these findings.
this is only for your information, kindly take the advice of your doctor for medicines, exercises and so on.
https://gscrochetdesigns.blogspot.com. one can see my crochet creations
https://gseasyrecipes.blogspot.com. feel free to view for easy, simple and healthy recipes
https://kneereplacement-stickclub.blogspot.com. for info on knee replacement
Labels: asthma, estradiol, high levels, lower levels, reduced risk of, testosterone, women
posted by G S Iyer at 11:59 PM
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