Wednesday January 22, 2020

Losing Weight May Increase Testosterone Levels in Men: Researchers

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Testosterone levels men
Men diagnosed with low testosterone levels should start losing weight. Lifetime Stock

For many men diagnosed with testosterone deficiency, losing weight can help increase testosterone levels, say researchers, adding that, specifically a low-fat diet may be associated with a small but significant reduction in testosterone.

“We found that men who adhered to a fat restrictive diet had lower serum testosterone than men on a nonrestrictive diet,” said study researcher Jake Fantus from University of Chicago in the US.

“However, the clinical significance of small differences in serum T across diets is unclear,” Fantus added.

For the study, published in the Journal of Urology, the research team analysed data on more than 3,100 men from a nationwide health study (the National Health and Nutrition Examination Survey, or NHANES).

Testosterone levels weight loss
A low fat-diet is associated with higher testosterone levels in men. Lifetime Stock

All participants had available data on diet and serum testosterone level.

Based on two-day diet history, 14.6 per cent of men met criteria for a low-fat diet, as defined by the American Heart Association (AHA).

Another 24.4 per cent of men followed a Mediterranean diet high in fruits, vegetables, and whole grains but low in animal protein and dairy products.

Only a few men met criteria for the AHA low-carbohydrate diet, so this group was excluded from the analysis.

The average serum testosterone level was 435.5 ng/dL (nanograms per deciliter).

According to the study, serum testosterone was lower in men on the two restrictive diets: average 411 ng/dL for those on a low-fat diet and 413 ng/dL for those on the Mediterranean diet.

The associations were adjusted for other factors that can affect testosterone, including age, body mass index, physical activity, and medical conditions.

After adjustment, the low-fat diet was significantly associated with reduced serum testosterone, although the Mediterranean diet was not.

Overall, 26.8 per cent of men had testosterone levels less than 300 ng/dL. Despite the difference in average testosterone levels, the proportion of men with low testosterone was similar across all diet groups.

The researchers noted that further studies will be needed to corroborate their findings, and to clarify the mechanism by which restrictive diets reduce testosterone.

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But due to the difficulties of large-scale dietary studies, definitive trials are unlikely to be performed, they said.

“Therefore, our data represent a valuable approach towards answering this important question,” the researchers concluded. (IANS)

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Promotional E-Cigarettes Posts on Instagram Outnumber Anti-Vaping Content: Study

E-cigarette popular on Instagram despite anti-vaping content

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Despite "The Real Cost" awareness campaign launched by the US Food and Drug Administration (FDA) in 2018, nearly one third of American teenagers are estimated to use e-cigarettes. Pixabay

Promotional e-cigarettes posts on popular photo-sharing platform Instagram outnumber anti-vaping content 10,000 to one, according to a new study and health news.

Despite “The Real Cost” awareness campaign launched by the US Food and Drug Administration (FDA) in 2018, nearly one third of American teenagers are estimated to use e-cigarettes, the researchers said.

The study, published in the journal Frontiers in Communication, highlights the limited impact of the FDA campaign, while also using deep learning – an artificial intelligence method – to better understand the marketing tactics used by vaping companies.

“US public health officials have been calling vaping among youth an epidemic and have been putting a lot of effort into trying to stop this epidemic by introducing #TheRealCost anti-vaping campaign but this stark imbalance in the volume of posts has caused the FDA message to be overwhelmed by marketing from the vaping brands,” said study researcher Julia Vassey from University of California in the US.

e-cigarettes
Many teenagers continue to view e-cigarettes as healthier than conventional cigarettes, but vaping is associated with inflammation, reduced immune responses and breathing troubles. Pixabay

Many teenagers continue to view e-cigarettes as healthier than conventional cigarettes, but vaping is associated with inflammation, reduced immune responses and breathing troubles, the study said.

To further understand how vaping is perceived on social media, research team collected 245,894 Instagram posts spanning from before and after the #TheRealCost campaign launch.

The team also conducted interviews with five vaping influencers and eight college-age social media users. “We focused on Instagram because the vaping influencers we interviewed for this study identified Instagram as their most important social media marketing platform,” Vassey explained.

“Based on the results, the FDA anti-vaping campaign is not very popular and we saw Instagram user comments disputing the FDA claims of damaging health effects from nicotine and calling the campaign propaganda,” Vassey added.

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In contrast to the FDA’s intentions, the study found that vaping posts received nearly three times more “likes” after the campaign launch. They also found that there were six times as many posts that had greater than 100 likes.

According to the researchers, participants in the focus groups suggested that the anti-vaping campaign promoted scare tactics rather than offering guidance on how to quit vaping. (IANS)