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Medical Sciences Studies
Medical Sciences Studies for a greater purpose of peace through research.
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Synthetic derivatives of THC may weaken HIV-1 infection to enhance antiviral therapies

A new research report published in the Journal of Leukocyte Biology shows that compounds that stimulate the cannabinoid type 2 receptor in white blood cells, specifically macrophages, appear to weaken HIV-1 infection.
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Humans may have reached the Americas 22,000 years ago

Humans may have reached the Americas 22,000 years ago | Medical Sciences Studies | Scoop.it
A controversial find of stone tools in Brazil suggests that humans somehow reached the Americas at the height of the last ice age
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Alzheimer’s protein could help in MS | Body & Brain | Science News

Alzheimer’s protein could help in MS | Body & Brain | Science News | Medical Sciences Studies | Scoop.it

A much-maligned molecule that is devastating in the brain may have therapeutic potential outside it. The sticky amyloid-beta protein, which piles up in the brains of people with Alzheimer’s disease, actually reverses paralysis in mice with symptoms of multiple sclerosis...

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Study in Science Shows Monkeys Pick Up Social Cues

Study in Science Shows Monkeys Pick Up Social Cues | Medical Sciences Studies | Scoop.it
A study published in Science showed that monkeys conditioned to eat a certain color corn switched to a disliked color when other monkeys were eating it.
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Scientists Placed Electric Cages over Dead Zebras to Study the Spread of Anthrax

Anthrax outbreaks can be extremely costly for conservationists and wildlife managers.
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Researchers Create Material As Sensitive As Human Fingertip

Researchers have now created an array of piezotronic transistors using zinc nanowires that can convert mechanical motion into electronic controlling signals.
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Tylenol Ingredient Reduces Psychological Stress

Tylenol Ingredient Reduces Psychological Stress | Medical Sciences Studies | Scoop.it
An over-the-counter drug to treat social and existential anxiety? It's not too good to be true.
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Scientists on brink of HIV cure - Telegraph

Scientists on brink of HIV cure - Telegraph | Medical Sciences Studies | Scoop.it
Researchers believe that there will be a breakthrough in finding a cure for HIV “within months”.
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Intel and Oregon school seek to speed up genetic research to fight cancer

Intel and Oregon school seek to speed up genetic research to fight cancer | Medical Sciences Studies | Scoop.it

Intel and the Oregon Health & Science University are teaming up on a supercomputing project to speed up analysis of human genetic profiles, which could help with personalized treatment for cancer.


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Open Your Mind to the New Psychedelic Science | Wired Science | Wired.com

Open Your Mind to the New Psychedelic Science | Wired Science | Wired.com | Medical Sciences Studies | Scoop.it
In recent years, a small cadre of scientists has cautiously rekindled the scientific study of psychedelics.

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“Now that we’ve been able to start getting some evidence on the benefits, it changes people’s calculus,” said Rick Doblin, the founder and executive director of the Multidisciplinary Association for Psychedelic Studies (MAPS), one of the meeting’s sponsors.

Doblin and MAPS have been battling regulators since the mid-80s to allow research and clinical trials with psychedelics. The recent revival of psychedelic science may be one sign their efforts are finally paying off.

Public attitudes towards illegal drugs in general may be shifting. A recent Pew Research Center survey, for example, found for the first time that more than half of Americans think marijuana should be legal. Baby boomers in particular, who may have hidden their stash while raising kids, seem to be loosening up in their old age, the survey found.

The interest in psychedelics may also have something to do with a growing sense of frustration over the lack of promising new psychiatric drugs in the pipeline. Many of the current drugs are based on compounds discovered serendipitously in the 1950s, and true innovation has been so hard to come by that many companies are giving up.

Meanwhile, people have been using hallucinogens for centuries, often in religious healing ceremonies, and yes, sometimes just for the hell of it. But just because they’re party drugs for some doesn’t mean they can’t be the subject of serious scientific inquiry. Or does it? After all, it didn’t end so well the first time around.


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luiy's curator insight, April 27, 2013 2:13 PM

“This opens a door to the scientific study of mystical experiences,” Griffiths said. In future work, he hopes to investigate how the psilocybin experience may differ in people with different personality types, religious backgrounds, and genetics.

 

Clearly, drugs like psilocybin have powerful effects on the mind, but the rationale for using them in psychiatry requires a fair amount of hand waving. The same could be said of virtually all psychiatric treatments already on the market, however: Nobody really knows how they work.

The classic psychedelics, including psilocybin and LSD, stimulate receptors for serotonin, a neurotransmitter that’s also targeted, albeit in different ways, by approved antidepressant and anti-anxiety drugs like Prozac and Zoloft.

 

Several scientists at the conference pointed to findings that activity in the brain’s default mode network is elevated in people with depression. Because psilocybin and ayahuasca seem to dampen activity in this network, perhaps they could help.

 

It’s hard to connect those dots without a strong dose of speculation, but one idea is that the elevated activity in the default mode network reflects too much attention directed inward. People in the grips of depression, the thinking goes, are trapped in an endless cycle of critical self-examination, and a little neural desynchronization might help them reboot.

 

Araújo presented promising preliminary findings on using ayahausca to reduce symptoms of depression, and he’s recently gotten approval for a larger clinical trial in Brazil. The British group has approval to begin a trial with psilocybin.

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Psychopaths are not neurally equipped to have concern for others

Psychopaths are not neurally equipped to have concern for others | Medical Sciences Studies | Scoop.it
Prisoners who are psychopaths lack the basic neurophysiological "hardwiring" that enables them to care for others, according to a new study.

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Pain improves during first year but mental-health problems linger in returning veterans with major limb injuries

Few studies document short- and long-term pain and behavioral health in combat-injured service members with major limb trauma. In a 2-year longitudinal study, multiple post-injury pain and related outcomes are reported.
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Smoking from hookah not a harmless alternative to cigarettes

Smoking from hookah not a harmless alternative to cigarettes | Medical Sciences Studies | Scoop.it
Smoking tobacco through a hookah is a pastime gaining popularity among the college crowd, but many of them mistakenly believe that using the fragrant water pipe is less harmful than smoking cigarettes.
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Influence of CYP2D6 and CYP2C19 gene variants on antidepressant response in obsessive-compulsive disorder

Numerous studies have reported on pharmacogenetics of antidepressant response in depression. In contrast, little is known of response predictors in obsessive-compulsive disorder (OCD), a disorder with among the lowest proportion of responders to medication (40–60%)...

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Hookah smoking delivers carcinogens and carbon monoxide | Body & Brain | Science News

Hookah smoking delivers carcinogens and carbon monoxide | Body & Brain | Science News | Medical Sciences Studies | Scoop.it
The tobacco and fruit mixture smoked in public hookah bars might be considerably more dangerous than its pleasant scent would suggest. An analysis of people who smoked from water pipes three times a day finds that the pipes deliver more carbon monoxide and benzene, a carcinogen, than does smoking half a pack of cigarettes daily....
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Scientists Find Early Immune Trigger Of MS

Scientists Find Early Immune Trigger Of MS | Medical Sciences Studies | Scoop.it
Using advanced imaging to observe the early stages of nerve damage in mice with MS, scientists in the US believe they have found an important early trigger fo
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Eating your Sleeplessness | Neurotic Physiology

Eating your Sleeplessness | Neurotic Physiology | Medical Sciences Studies | Scoop.it

It's late. I've got a lot on my plate. A lot to do. And most of us do. So here I am, burning the midnight oil along with many of my neighbors. I usually count myself lucky to get 7 hours a night, and I AM lucky. For many parents or other caregivers, for example, 7 hours is unheard-of luxury....

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Cops Could Soon Use Breathalyzers to Test for Illegal Drugs

Cops Could Soon Use Breathalyzers to Test for Illegal Drugs | Medical Sciences Studies | Scoop.it
Swedish researchers are developing a system that tests for 12 different drugs on your breath, including cocaine, marijuana and amphetamines
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Diederik Stapel’s Audacious Academic Fraud

Diederik Stapel’s Audacious Academic Fraud | Medical Sciences Studies | Scoop.it
Diederik Stapel, a Dutch social psychologist, perpetrated an audacious academic fraud by making up studies that told the world what it wanted to hear about human nature.
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The growth of cancer cells can be slowed down by smoking marijuana.

The growth of cancer cells can be slowed down by smoking marijuana. | Medical Sciences Studies | Scoop.it
That South Park episode ring bells? Another green light folks, if the legislation hasn’t done enough. The only real medical trial testing THC like a treatment against cancer growth would be a certain British pilot study.
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New device could make diagnosing disease as simple as breathing

New device could make diagnosing disease as simple as breathing | Medical Sciences Studies | Scoop.it

A range of diseases and conditions, from asthma to liver disease, could be diagnosed and monitored quickly and painlessly just by breathing, using gas sensing technology developed by a Cambridge spin-out.

 

The highly sensitive, low-power, low-cost infrared emitter developed by Cambridge CMOS Sensors (CCMOSS) is capable of identifying more than 35 biomarkers present in exhaled breath in concentrations as low as one part per million, and is being developed for use as a non-invasive medical testing device and other applications.

 

In addition to nitrogen, oxygen and carbon dioxide, we exhale thousands of chemical compounds with every breath: elevated acetone levels in the breath can indicate poorly-controlled diabetes, asthmatics will exhale higher than normal levels of nitric oxide, and glucose is a sign of kidney failure.



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How big data will save your life

How big data will save your life | Medical Sciences Studies | Scoop.it
Big data analytics is creating a world where doctors will eventually be able to do a Google-like query on a patients illness and instantly discover how 100,000 other doctors treated their patients.

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New solar-cell coating could enable a major boost in efficiency

New solar-cell coating could enable a major boost in efficiency | Medical Sciences Studies | Scoop.it
Throughout decades of research on solar cells, one formula has been considered an absolute limit to the efficiency of such devices in converting sunlight into electricity: Called the Shockley-Queisser efficiency limit, it posits that the ultimate...
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Increased brain activity predicts future onset of substance use

Increased brain activity predicts future onset of substance use | Medical Sciences Studies | Scoop.it
Do people get caught in the cycle of overeating and drug addiction because their brain reward centers are over-active, causing them to experience greater cravings for food or drugs?
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