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Father’s exercise can boost kids’ health in adulthood

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New York, Oct 23: For men planning to start a family, hitting the gym can help their children with a healthy metabolism.

While the diet and exercise habits of a pregnant woman can have an impact on the health of her baby, a new study on mice suggests that lifestyle practices of fathers prior to conception too can affect children’s health in adulthood.

The findings explored that paternal exercise had a significant impact on the metabolic health of offspring well into their adulthood.

Offsprings from mice who exercised showed improved glucose metabolism, decreased body weight and a decreased fat mass in adulthood.

On the other hand, the sedentary male mice that fed on a high-fat diet passed along the traits of poor metabolic health and higher glucose intolerance.

However, exercise was found to mitigate the negative effects of a sedentary lifestyle, the researchers said.

“This work is an important step in learning about metabolic disease and prevention at the cellular level,” said K. Craig Kent, from Ohio State University in the US.

“Offspring from the dads fed a high-fat diet fared worse, so they were more glucose intolerant. But exercise negated that effect. When the dad exercised, even on a high-fat diet, we saw improved metabolic health in their adult offspring,” added Kristin Stanford, a researcher from the varsity.

Importantly, exercise was found to change the genetic expression of the father’s sperm that suppresses poor dietary effects and transfer to the offspring, the researchers noted in the paper published in the journal Diabetes.

Development of Type-2 diabetes and impaired metabolic health have been linked to parents’ poor diet, and there is increasing evidence that fathers play an important role in obesity and metabolic programming of their offspring.

“We’re now determining if both parents exercising has even greater effects to improve metabolism and overall health of offspring. If translated to humans, this would be hugely important for the health of the next generation,” said Laurie Goodyear, postdoctoral student from the Joslin Diabetes Centre in the US.

IANS

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Obese teenagers can face pancreatic cancer risk

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Pancreatic cancer

New York, Nov 12: If your teenager or young adult child is obese, he or she can be at four-times the risk of developing pancreatic cancer later in life, new research warns.

Researchers from the Tel Aviv University analysed 1,087,358 Jewish men and 707,212 women between 16 to 19 years for the study published in the journal CANCER.

It showed that overweight and even higher weight within the “normal” weight range in men may increase pancreatic cancer risk in a graded manner.

Compared with normal weight, obesity was associated with a 3.67-times higher cancer risk among men and a 4.07-times higher risk among women, the report said.

In addition, high-normal BMI and overweight men were associated with 49 per cent and 97 per cent higher risks for cancer, respectively, as compared to those with low-normal BMI.

Pancreatic cancer is the sixth most common cause of cancer-related deaths in the world and adult obesity has been linked with an increased risk for its occurrence.

It has an extremely low survival rate which has barely improved over the last 40 years.

The combination of complex chemical, biological, bio-mechanical and structural factors found in pancreatic cancer tissues makes it difficult to treat.

Systemic inflammation caused by obesity is a potential driver behind the development of pancreatic cancer. Thus, managing weight could help reduce the risk, the researchers noted.

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Salmonella resistant to different antibiotics: Study

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New York, Nov 11 : Salmonella, a common bacteria that causes foodborne diseases, are resistant to several antibiotics used to treat infections, suggests new research.

For the study, the researchers sequenced and investigated the genomes of 90 strains of a specific serological variant (serovar) of Salmonella enterica known as S. Typhimurium.

When the action of antibiotics in each of the 90 strains was tested, it was discovered that the vast majority were resistant to different classes of antibiotics that are part of the arsenal of medicine.

The study, published in the journal PLOS ONE, also identified 39 genes responsible for resistance to antibiotics.

“It is striking that S. Typhimurium is resistant to antibiotics that can be used to treat the disease. These drugs are available to physicians for use in combating infections that display resistance,” said Amanda Aparecida Seribelli from the University of Sao Paulo in Brazil.

Salmonella comprises two species, S. bongori and S. enterica. The latter is the type species, with a large number of subspecies and serovars that cause more foodborne infections than any other species in Brazil and worldwide.

The human and animal intestinal tract is the main natural reservoir for this pathogen, with poultry, pork and related food products serving as major transmission vectors.

The six subspecies of S. enterica are subdivided into 2,600 serovars.

The most important subspecies of S. enterica from the epidemiological standpoint is S. enterica subspecies enterica, which causes the foodborne infection known as salmonellosis. The symptoms are diarrhoea, fever, stomach cramps and vomiting.

The most frequently isolated serovars of this subspecies are S. Typhimurium and S. Enteritidis.

All the 90 strains analysed in the study belonged to S. Typhimurium.

Whole-genome sequencing of the main bacteria that cause acute diarrohea was the focus of the research.

According to the study, 65 of the strains proved resistant to sulfonamides, 44 to streptomycin, 27 to tetracycline, 21 to gentamicin and seven to ceftriaxone, a cephalosporin antibiotic.(IANS)

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Social media use linked to depression, loneliness: Study

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Social Media

New York, Nov 10: Excessive use of social media including Facebook, Snapchat, and Instagram is associated with poor well-being which could lead to depression and loneliness, researchers have warned.

The study, published in the Journal of Social and Clinical Psychology, showed that limiting screen time on these apps could boost one’s wellness.

“When you are not busy getting sucked into clickbait social media, you are actually spending more time on things that are more likely to make you feel better about your life,” said Melissa Hunt from the University of Pennsylvania in the US.

For the study, researchers from the varsity, included 143 undergraduate participants.

The team designed their experiment to include the three platforms most popular with the participants.

They collected objective usage data automatically tracked by iPhones for active apps, not those running in the background, and asked respondents to complete a survey to determine mood and well-being.

The participants were then randomly assigned to a control group, which had users maintain their typical social-media behaviour, or an experimental group that limited time on Facebook, Snapchat, and Instagram to 10 minutes per platform per day.

In addition, the participants shared iPhone battery screenshots for the next three weeks to give the researchers weekly tallies for each individual.

The team then looked at seven outcome measures including fear of missing out (FOMO), anxiety, depression, and loneliness.

The results showed that using less social media than you normally would lead to significant decrease in both depression and loneliness.

However, young people aged between 18 to 22 should not stop using social media altogether, suggested the findings.

“Because these tools are here to stay, it is incumbent on society to figure out how to use them in a way that limits damaging effects,” Hunt noted.

IANS

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