THURSDAY, May 26, 2022 (HealthDay News) — When males shed further kilos and maintain them off, the well being advantages could lengthen all the way in which to their sperm rely, a brand new examine finds.

The examine, of practically 50 males with weight problems, discovered that those that misplaced weight by following a low-calorie food regimen improved their sperm rely by about 40%. But there was a catch: They wanted to maintain the load off to take care of the upper sperm rely.

And on this case, the load loss was pretty substantial: After an eight-week low-calorie food regimen, examine contributors had misplaced a mean 36 kilos.

Both the load loss and rise in sperm rely have been speedy — and placing, in accordance with Dr. Bobby Najari, a urologist who reviewed the findings.

“I used to be impressed by the influence on sperm rely in such a short while span,” stated Najari, an assistant professor and director of the Male Infertility Program at NYU Langone Health in New York City.

He stated it is not clear what number of males in the actual world may obtain that form of weight reduction — and maintain it off.

But the larger level, Najari stated, is that shedding further kilos via food regimen and train can have a job in household planning.

A lot of research have linked weight problems to decrease sperm high quality, together with decrease sperm counts and fewer sperm that look and transfer as they need to. The new examine — lately revealed within the journal Human Reproduction — checked out whether or not weight reduction can change that.

It concerned 47 overweight males between the ages of 20 and 63 who all adopted a low-calorie food regimen — 800 energy per day — for eight weeks. After that, they have been randomly assigned to certainly one of 4 teams for a one-year upkeep part: one group exercised; one other took liraglutide, a diabetes drug typically used for weight reduction; a 3rd exercised and took the medicine; the fourth did neither.

All of the exercisers have been inspired to get a minimum of 150 minutes of average train, reminiscent of brisk strolling, every week. For added motivation, they have been additionally supplied train courses.

Researchers discovered that after the eight-week food regimen, contributors had not solely dropped a considerable quantity of weight, additionally they usually confirmed a sperm rebound. Their common sperm rely rose by 41%, and sperm focus (how densely packed these sperm have been) elevated by 49%.

A yr later, about half of the lads had stored the kilos off — whether or not via train, medicine or each. They’d additionally maintained their greater sperm counts and concentrations.

That was not the case, nonetheless, for males who regained the load.

“Losing weight and retaining the load loss appear to have a profound impact on growing sperm rely,” stated researcher Signe Sørensen Torekov, a professor of biomedical sciences on the University of Copenhagen in Denmark.

It’s not clear whether or not any examine contributors had a historical past of infertility, or whether or not the load loss improved their potential to conceive.

But, Torekov stated, “the brand new findings could also be excellent news for fertility, as earlier research present a hyperlink between greater sperm rely and quicker achievement of being pregnant.”

As for why weight issues, it is not totally clear, however Najari stated that hormonal results are a main suspect: Excess fats tissue can increase the conversion of testosterone to estrogen, and males with weight problems have been proven to have decrease testosterone ranges than thinner males.

Whatever the precise mechanisms, Najari stated the brand new findings counsel that weight reduction reverses the method.

“This gives hope that the damaging influence on sperm high quality is not everlasting and could be reversed via food regimen and train,” Najari stated.

He recommended that males with weight problems could need to have a semen evaluation achieved if they’ve been attempting to conceive with a associate for six months with out success.

More info

The Mayo Clinic has extra on male infertility.

SOURCES: Signe Sørensen Torekov, PhD, MSc, professor, medical translational metabolism, University of Copenhagen, Denmark; Bobby Najari, MD, assistant professor, urology and inhabitants well being, and director, Male Infertility Program, NYU Langone Health, New York City; Human Reproduction, May 17, 2022, on-line

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WEDNESDAY, April 6, 2022 (HealthDay News) — If you are one of many tens of millions of individuals with a standard coronary heart rhythm dysfunction known as atrial fibrillation (a-fib), dropping pounds earlier than therapy could improve the chances that your a-fib doesn’t come again.

In a brand new examine, sufferers with a-fib who have been chubby or overweight once they underwent ablation to appropriate their irregular coronary heart rhythm have been extra prone to expertise a return of a-fib than people who weren’t.

A-fib happens when the higher chambers of the center quiver chaotically, inflicting a quick and irregular heartbeat. Left undiagnosed or untreated, it dramatically raises danger for stroke and coronary heart failure. Ablation entails burning or freezing a small portion of the center to create a scar and stop the unfold of irregular electrical impulses.

“Overweight sufferers have the next danger of recurrent a-fib after ablation in comparison with normal-weight sufferers, and the danger of recurrent a-fib will increase incrementally by growing physique mass index,” stated examine creator Dr. Jacob Tønnesen, a heart specialist at Herlev-Gentofte University Hospital in Hellerup, Denmark.

“Aggressive weight administration, pre-ablation, in chubby sufferers may doubtlessly present substantial advantages and enhance short- and long-term outcomes after ablation,” he stated.

Exactly how a lot weight an individual with a-fib ought to lose earlier than ablation remedy isn’t recognized but.

“One examine discovered {that a} weight lack of 10% results in a considerably lowered burden of atrial fibrillation, however additional research on this are warranted,” Tønnesen stated.

For the examine, greater than 9,200 individuals in Denmark who underwent a first-time process for a-fib have been divided into 5 teams. The teams have been based mostly on their physique mass index (BMI), an estimate of physique fats based mostly on top and weight: underweight, regular weight, chubby, overweight and morbidly overweight. Researchers then in contrast BMI classes to danger of an a-fib recurrence.

Compared to people with a standard BMI, the chance of a-fib at one yr was 19% increased within the chubby group; 22% increased within the overweight group, and 32% within the morbidly overweight group.

The identical sample was additionally seen after 5 years, the examine confirmed. There was no distinction in relapse danger amongst people who have been underweight or regular weight. The findings held even after researchers managed for different components recognized to extend the danger of a-fib coming again.

Being chubby or overweight is as a lot of a danger for a-fib returning as coronary heart failure, persistent obstructive pulmonary illness (COPD) and hypertension — all of that are sometimes handled in individuals with a-fib, Tønnesen stated.

The examine was offered Monday at a gathering of the European Society of Cardiology, in Copenhagen, Denmark, and on-line. Findings offered at medical conferences are sometimes thought-about preliminary till revealed in a peer-reviewed journal.

Experts not a part of the examine agree that dropping pounds earlier than therapy for a-fib significantly will increase the chances of success.

People who’re chubby or overweight and wish ablation to appropriate a-fib are all the time endorsed to reduce weight first, stated Dr. Rachel-Maria Brown Talaska, director of inpatient cardiac providers at Lenox Hill Hospital in New York City.

“Quite a lot of research point out that weight reduction is related to a discount in atrial fibrillation severity, bettering signs and recurrence charges,” she stated.

This is sensible from a coronary heart construction standpoint. “Weight loss has been related to a discount within the measurement of the left atrium, which tends to stretch with atrial fibrillation, with this bigger measurement predisposing to extra bouts of atrial fibrillation sooner or later,” Brown Talaska stated.

Dr. Deepak Bhatt, government director of interventional cardiovascular applications at Brigham and Women’s Hospital Heart and Vascular Center in Boston, agreed.

“This is a big and well-done examine which provides additional proof that individuals with atrial fibrillation who’re chubby ought to attempt to reduce weight,” he stated.

Prior research have made it pretty clear that extra weight contributes to the danger of creating a-fib, Bhatt stated.

“For individuals who have already got the situation, the danger of recurrence does appear to be decrease in the event that they reduce weight, particularly if their atrial fibrillation is so problematic that they want procedures, as on this examine,” he stated.

More data

The U.S. National Heart, Lung, and Blood Institute has extra data on atrial fibrillation (a-fib).

SOURCES: Jacob Tønnesen, MD, heart specialist, Herlev-Gentofte University Hospital, University of Copenhagen, Hellerup, Denmark; Rachel-Maria Brown Talaska, MD, director, inpatient cardiac providers, Lenox Hill Hospital, New York City; Deepak Bhatt, MD, MPH, government director, interventional cardiovascular applications, Brigham and Women’s Hospital Heart and Vascular Center, and professor, Harvard Medical School, Boston; presentation, European Society of Cardiology assembly, Copenhagen, Denmark, and on-line, April 4, 2022

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By Dennis Thompson

HealthDay Reporter

MONDAY, Dec. 20, 2021 (HealthDay News) — Americans within the prime of their lives are fearful in regards to the kilos they packed on in the course of the pandemic and plan to do one thing about it within the new 12 months, a brand new Harris Poll/HealthDay survey finds.

Nearly 2 of each 3 U.S. adults (63%) plan to alter up their weight loss program in 2022, both by consuming much less or reducing again on particular meals, ballot outcomes reveal.

Adults between the ages of 18 and 44 are probably the most fearful in regards to the well being results of their pandemic weight acquire, in response to ballot outcomes.

Folks in that age vary usually tend to say they’re battling weight loss program and weight administration. They’re additionally extra fearful that the hit their well being took in the course of the pandemic will have an effect on them in years to return.

“These youthful adults usually tend to be employed, they usually’re additionally extra more likely to be mother and father of youngsters beneath 18. That in all probability means these of us usually tend to have been burdened in the course of the pandemic,” stated Harris Poll Vice President Kathy Steinberg.

“If you are an grownup who’s 55-plus or 65-plus, sure, it sucks that you have not been in a position to go to household and you have been quarantined, however possibly your life hasn’t modified that a lot when it comes to what you are doing,” Steinberg continued. “Whereas for those who’re a dad or mum and also you used to ship your children to high school and also you used to commute to work, your complete life has modified.”

Overall, greater than 2 in 5 adults (43%) stated they gained weight in the course of the pandemic.

Of these, 7 in 10 (71%) are involved in regards to the weight they gained, together with 1 in 4 (26%) who strongly agree.

A deeper dive into the ballot numbers assist Steinberg’s rivalry that the busier lives of youthful adults make them extra more likely to be burdened in regards to the well being results of the pandemic.

Stressors have mother and father fearful about well being

Employed of us have been extra more likely to say the pandemic has made it harder to handle their weight (46% vs. 38% for unemployed) and that the unfavourable well being results of the pandemic will have an effect on them for years to return (49% vs. 42%).

Continued

Parents of children beneath 18 had even stronger worries about how the pandemic had harmed their weight and their well being, in comparison with adults with out kids that age. They have been extra more likely to:

• Worry about struggling long-term unfavourable well being impacts from the pandemic (55% vs. 41%)
• Say the pandemic has made it harder to handle their weight (53% vs. 37%).
• Fret that they’re going to ever be capable to lose the burden they gained in the course of the pandemic (48% vs. 34%).
• Struggle extra now sticking to a weight loss program than they did previous to the pandemic (46% vs. 33%)

“They have busier lives. They have extra occurring of their lives with employment and children, and they also’ve simply had much more to handle in the course of the pandemic,” Steinberg defined. “When you are making an attempt to handle youngster care and dealing from residence, private well being and weight would be the factor that type of falls to the again burner.”

Calorie counting is the preferred weight loss program pattern amongst individuals who plan to observe what they eat in 2022, the ballot discovered.

Nearly 20% of all adults plan to rely energy within the new 12 months, together with 29% of people that tried to weight loss program in the course of the pandemic and 32% of those that plan to do one thing about their weight in 2022.

Fasting takes off

About 16% of individuals plan to attempt intermittent fasting, in response to the ballot. With intermittent fasting, you are solely allowed to eat throughout a selected window of time every day, or you need to stick with a restricted quantity of energy on sure days of the week.

“The most typical one we are likely to see is the 16-hour window of fasting that leaves an eight-hour window of consuming,” stated Caroline Susie, a Dallas-based registered dietitian and nationwide spokeswoman for the Academy of Nutrition and Dietetics.

Intermittent fasting has been round for hundreds of years, and is even a part of some long-standing non secular practices, Susie stated in an interview with HealthDay Now.

This consuming sample is now having its “quarter-hour of fame,” Susie stated, probably as a result of it is simpler for folks to undertake than diets that require you to chop out carbs, fat or particular kinds of meals.

Continued

“What’s good is it does not let you know what to eat. It tells you when to eat,” Susie stated. “If you are someone who is not a giant fan of lists or what’s on my plan or not on my plan, this may very well be an choice for you.”

Some ballot respondents do plan to attempt a extra restrictive weight loss program, nonetheless. About 16% plan to attempt a low-fat weight loss program in 2022, and 15% a low-carb weight loss program.

Those types of weight-loss diets are a lot more durable to stay with than an consuming sample like intermittent fasting, stated Dr. Lawrence Cheskin, chair of diet and meals research at George Mason University in Fairfax, Va.

“If you need to 100% of the time adhere to a really strict dietary plan, everyone knows most individuals are usually not going to try this for lengthy they usually’re not going to get pleasure from it,” Cheskin instructed HealthDay Now.

More data

The Academy of Nutrition and Dietetics has extra about fad diets.

SOURCES: Kathy Steinberg, vice chairman, Harris Poll; Caroline Susie, RDN, LD, Dallas, Texas, and nationwide spokeswoman, Academy of Nutrition and Dietetics; Lawrence Cheskin, MD, chair, Nutrition and Food Studies, George Mason University, Fairfax, Va.

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