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Father’s nutrition before sex impacts baby’s health: Study

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New York, Oct 13: A father’s diet before sex can play as important a role as nutrition of the expectant mother in deliveirng a healthy baby, new research suggests.

The findings suggest that men should avoid having a diet high in carbohydrates and low in protein.

“We were really surprised,” said Michal Polak, a Professor at University of Cincinnati in the US.

“In many species, the moms do a lot of the care. So we expect there to be an effect from maternal diet on offspring because of that strong link. But it was a real surprise to find a link between paternal diet and offspring,” Polak said.

For the study published in the journal Proceedings of the Royal Society B, the researchers manipulated the nutrition of male fruit flies and observed a strong correlation between poor diet and poor survivorship among their offspring.

Scientists regularly study fruit flies because they share 60 per cent of our genes and more than 75 per cent of our disease genes.

Geneticists have mapped their entire genome. More than 150 years of study have made this unassuming little fly a good model system, Polak said.

For the, Polak isolated females and males of the fruit fly species Drosophila melanogaster, which is famous for its enormous red eyes and high reproductive capacity.

A single fly can lay 50 eggs per day or as many as 2,000 eggs in her short two-month lifetime.

The researchers fed females the same diet. But they fed males 30 different diets of yeast and sugars.

The flies could eat all they wanted from the agar mixture in the bottom of their glass beaker homes, but the quality of the food varied dramatically from low to high concentrations of proteins, carbohydrates and calories..

After 17 days on the strict diet, the males were mated individually and consecutively with two females, which all received the same diet of yeasted cornmeal.

The researchers found that embryos from the second mating were more likely to survive as their fathers’ diets improved in nutrition.

These effects were less apparent in the first mating. Likewise, embryo mortality was highest for offspring of males that fed on a high-carbohydrate, low-protein diet.

The study also found a slightly higher incidence of embryo mortality associated with male flies in the first mating that were fed the highest-calorie diet.

IANS

Health

Use of Smartphone before sleep may make your kid obese: Study

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New York, Dec 10: Beware if your children have a habit of playing games on smartphones before sleeping, he or she may face an increased risk of becoming obese, warns a study.

It was discovered kids who used digital devices such as watching TV or playing games on smartphones before going to bed got an average of 30 minutes less sleep in comparison to those who did not.

This lack of proper sleep not only caused fatigue and attention problems in school, but also disrupted their eating habits. This leads to higher body mass indexes (BMI), news agency IANS reported.

“We saw technology before bed being associated with less sleep and higher BMIs,”stated Caitlyn Fuller, researcher at the Pennsylvania State University in the US.

“We also saw this technology use being associated with more fatigue in the morning, which circling back, is another risk factor for higher BMIs. So we’re seeing a loop pattern forming,” Fuller further asserted.

The study, published in the journal Global Pediatric Health, examined the sleep and technology habits of 234 children, between the age of eight to 17 years.

As per the suggestions from the American Academy of Pediatrics (AAP), parents should set some limitations regarding the use of technology, like requiring their kids to put away their devices during meal times and keeping phones out of bedrooms at night.

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Health

How jet lag could increase cancer risk

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London, Dec 10: Frequent travelling that causes jet lag could increase risk of cancer as it tends to disrupt our body clocks that are controlled by the same mechanism that causes tumors, reveals study.

The findings, reported in the Daily Mail, discovered that internal human body clocks have a major influence on cell multiplication and has the potential to prevent cancer.

“Our internal clock is in sync with external light and dark cues, and prompts people’s behaviour and activity levels,” lead author Angela Relogio from the Charite-Medical University in Berlin, was quoted as saying by Daily Mail.

“Based on our results, it seems to us that the clock is likely to act as a tumor suppressor,” Relogio added.

For the study, published in the journal PLOS Biology, researchers examined a protein known as RAS, which is inappropriately activated in around a quarter of cancerous cells, in mice.

This takes place via two proteins — INK4 and ARF — that are known to conquer cancer.

“One cannot stop wondering whether disrupted circadian timing should be included as a next potential hallmark of cancer,” Relogio asserted.

Changes in the biological clock have also been known to up the risk of heart related diseases and diabetes.

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Health

Discrimination strains relationship, affect health

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New York, Dec 9: Witnessing discrimination of any kind be it race, age, gender or other factors –not only harms the health of but their partner or spouse as well, a study has found.

“We found that when an individual experiences discrimination, they report worse health and depression. However, that’s not the full story – this stress spills over and affects the health of their partner as well,” said William Chopik, Assistant Professor at Michigan State University in the US.

A lot of the harmful effects of discrimination on health takes place because it is damaging to relationships, showed the findings published in the journal Social Psychological and Personality Science, IANS reported.

“When one partner experiences discrimination, they bring that stress home with them and it strains the relationship. So this stress not only negatively affects their own health, but their partner’s as well,” Chopik asserted.

For the study, the researchers examined  nearly 2,000 couples in the US ranging in age from 50 to 94.

The participants observed on instances of discrimination, as well as on their health, depression and relationship strain and closeness.

It didn’t matter where the discrimination came from, Chopik said.

“What matters is that they felt that they were unfairly treated. That’s what had the biggest impact on the person’s health,” he further added.

And that discrimination had a spillover affect on the victims’s spouse or partner.

As people are embedded in relationships, what happens in those relationships affects our health and well-being, Chopik stated.

WeForNews 

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