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Archive for the ‘health’ category: Page 292

Jun 25, 2018

Methane-producing microbial communities found in fracking wells

Posted by in categories: alien life, genetics, health

Deep in the rocky earth, in the liquid-filled cracks created by fracking, lives a community of highly interactive microbes—one that could at once have serious implications for energy companies, human health and scientists investigating the potential for life on Mars.

New research has uncovered the genetic details of microbes found in fracking wells. Not only do a wide array of bacteria and viruses thrive in these crevices created by hydraulic fracturing—they also have the power to produce methane, according to a study led by scientists at The Ohio State University and published in the journal Proceedings of the National Academy of Sciences.

That means it’s possible that the tiny life forms could create more energy—and from a different source—than the fracking companies are going after in the first place.

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Jun 25, 2018

Low-cost plastic sensors could monitor a range of health conditions

Posted by in categories: biotech/medical, health, solar power, sustainability

An international team of researchers have developed a low-cost sensor made from semiconducting plastic that can be used to diagnose or monitor a wide range of health conditions, such as surgical complications or neurodegenerative diseases.

The sensor can measure the amount of critical metabolites, such as lactate or glucose, that are present in sweat, tears, saliva or blood, and, when incorporated into a , could allow to be monitored quickly, cheaply and accurately. The new device has a far simpler design than existing sensors, and opens up a wide range of new possibilities for health monitoring down to the cellular level. The results are reported in the journal Science Advances.

The device was developed by a team led by the University of Cambridge and King Abdullah University of Science and Technology (KAUST) in Saudi Arabia. Semiconducting plastics such as those used in the current work are being developed for use in solar cells and flexible electronics, but have not yet seen widespread use in biological applications.

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Jun 22, 2018

Kidney cells engineered to produce insulin when caffeine is present in the body

Posted by in categories: biotech/medical, food, health

A team of researchers from ETH Zurich and the University of Basel in Switzerland and Institut Universitaire de Technologie in France has that found that embryonic kidney cells engineered to produce insulin when exposed to caffeine were able to reduce glucose levels in mouse models. In their paper published in the journal Nature, the group describes their efforts and how well it worked in the mouse models.

People with diabetes suffer from higher than normal levels of glucose in the blood, which can lead to a host of health problems. Current treatments include drugs that make cells more sensitive to insulin, or injection of insulin to make more of it available to cells that need it. In this new effort, the researchers have developed a new way to get more insulin into the body when it is needed most.

Instead of adding externally, the researchers engineered embryonic kidney cells to produce it—but only when they were exposed to caffeine. The team chose caffeine because it has been so extensively studied and because the majority of people consume caffeinated beverages, such as coffee and soft drinks. They point out that caffeine is also a substance that appears very rarely in other foods, making its ingestion easy to regulate. The engineered were covered with a material that protected them from the immune system and were then put into a device that was implanted into the abdomens of mice that had been engineered to have diabetes. The researchers note that tend to spike after people (and mice) eat sugar or food material that the body converts to sucrose. Thus, the optimal time for giving the mice caffeine would be after eating.

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Jun 22, 2018

Report finds only 35% of Canadian youth get the physical activity recommended for brain health

Posted by in categories: health, neuroscience

Only 35 per cent of five- to 17-year-olds and 62 per cent of children ages 3 and 4 are getting the recommended physical-activity levels for their age group (Editor’s note: around 60 minutes of moderate-to-vigorous physical activity daily, including vigorous-intensity activity on at least 3 days per week) and that this may be having an impact on the health of their brains.


___ Getting kids outside and active could help with brain health: Participaction report (The Globe and Mail): The physical benefits of kids leading an active lifestyle, including better heart heal…

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Jun 21, 2018

Researchers Find Herpes Viruses In Brains Marked By Alzheimer’s Disease

Posted by in categories: biotech/medical, health, neuroscience

Herpes Viruses And Alzheimer’s: A Possible Link : Shots — Health News Two herpes viruses that cause skin rashes in toddlers may accelerate Alzheimer’s disease when they infect brain cells. The finding suggests antiviral drugs might help protect the brain.

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Jun 20, 2018

Scientists find evidence of 27 new viruses in bees

Posted by in categories: biotech/medical, food, health

An international team of researchers has discovered evidence of 27 previously unknown viruses in bees. The finding could help scientists design strategies to prevent the spread of viral pathogens among these important pollinators.

“Populations of bees around the world are declining, and viruses are known to contribute to these declines,” said David Galbraith, research scientist at Bristol Myers Squibb and a recent Penn State graduate. “Despite the importance of bees as pollinators of flowering plants in agricultural and natural landscapes and the importance of viruses to bee health, our understanding of bee viruses is surprisingly limited.”

To investigate viruses in bees, the team collected samples of DNA and RNA, which is responsible for the synthesis of proteins, from 12 bee species in nine countries across the world. Next, they developed a novel high-throughput sequencing technique that efficiently detected both previously identified and 27 never-seen-before viruses belonging to at least six new families in a single experiment. The results appear in the June 11, 2018, issue of Scientific Reports.

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Jun 20, 2018

5 biggest risks of sharing your DNA with consumer genetic-testing companies

Posted by in categories: biotech/medical, business, genetics, health

Some individuals worry they will discover things about their DNA that will be frightening — namely, the risks they run of contracting various diseases — and not know how to move forward with the information. Professional scientific skeptics contend the information may not even be as accurate as claimed, and lead people to make questionable health decisions. But there’s another type of risk that consumers aren’t focusing on as much, and it’s a big one: privacy. There is nothing more private than your personal genetic information, and sending away for a personal genome kit means sharing your DNA with the testing companies. What do they do with it, beyond providing consumers with genetic and health assessments?


Consumer DNA genetic testing kits are a booming business, and the biggest risk isn’t necessarily uncovering a health scare; it’s what these companies may do, or be forced to do, with your genetic data.

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Jun 17, 2018

HPV vaccine has almost wiped out infections in young women, figures show

Posted by in categories: biotech/medical, health

T he HPV vaccine has almost completely wiped out infections in young women, and if expanded to men could prevent thousands of cancer cases in Britain each year, new figures suggest.

New figures from Public Health England show that the rate of Human Papilloma Virus (HPV) in women aged between 16 to 21 who were vaccinated between 2010 and 2016 has fallen by 86 per cent.

More than 3,000 women are diagnosed with cervical cancer each year, and more than 800 will die from the disease, with most cases caused by the HPV virus.

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Jun 17, 2018

Harvard Rewinds the Biological Clock of Time

Posted by in categories: bioengineering, biological, DNA, health, life extension, science, transhumanism

Investigators at Harvard Medical School have identified the key cellular mechanisms behind vascular aging and its effects on muscle health, and they have successfully reversed the process in animals.

The scientists used a chemical compound that’s an NAD+ booster called NMN which plays a critical role in repairing cellular DNA as well as maintaining cell vitality to test what would happen.

Could reversing the aging of blood vessels hold the key to restoring youthful vitality? If the old adage “you are as old as your arteries” reigns true then the answer is yes, at least in mice.

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Jun 16, 2018

Probiotics may help boost mood and cognitive function

Posted by in categories: biotech/medical, health, neuroscience

Probiotics can do more than improve your gut health. They also may indirectly enhance your brain, too.

Research shows that the gut and brain are connected, a partnership called the gut-brain axis. The two are linked through biochemical signaling between the nervous system in the digestive tract, called the enteric nervous system, and the central nervous system, which includes the brain. The primary information connection between the brain and gut is the vagus nerve, the longest nerve in the body.

The gut has been called a “second brain” because it produces many of the same neurotransmitters as the brain does, like serotonin, dopamine, and gamma-aminobutyric acid, all of which play a key role in regulating mood. In fact, it is estimated that 90% of serotonin is made in the digestive tract.

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