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Medical Xpress internet news portal provides the latest news on Health and Medicine.

02/17/2018 04:00 PM
To sleep, perchance to forget
The debate in sleep science has gone on for a generation. People and other animals sicken and die if they are deprived of sleep, but why is sleep so essential?

02/16/2018 10:00 AM
Team cracks code to restoring memory creation in older or damaged brains
Aging or impaired brains can once again form lasting memories if an enzyme that applies the brakes too hard on a key gene is lifted, according to University of California, Irvine neurobiologists.

02/16/2018 08:40 AM
Opinion: Persistent lack of evidence connecting video games and violence
In the wake of the Valentine's Day shooting at a Broward County, Florida high school, a familiar trope has reemerged: Often, when a young man is the shooter, people try to blame the tragedy on violent video games and other forms of media. Florida lawmaker Jared Moskowitz made the connection the day after the shooting, saying the gunman "was prepared to pick off students like it's a video game."

02/16/2018 08:20 AM
Here's how witnessing violence harms children's mental health
When children learn about news like the deadly school shooting that claimed more than a dozen lives on Feb. 14, 2018 in Broward County, Florida, a logical question for them to ask is: Will the same thing happen to me?

02/16/2018 07:35 AM
Data wave hits health care
Technology used by Facebook, Google and Amazon to turn spoken language into text, recognize faces and target advertising could help doctors fight one of the deadliest infections in American hospitals.

02/15/2018 12:49 PM
Romantic relationships buffer gay and lesbian youth from emotional distress
Lesbian and gay youth showed significantly less psychological distress and were buffered against the negative effects of bullying and victimization when they were in a relationship than when they were not, reports a new Northwestern Medicine study conducted in collaboration with the University of Cincinnati.

02/15/2018 09:34 AM
Comprehensive evaluation of patients with concussion-like symptoms following reports of audible phenomena in Cuba
A comprehensive evaluation by clinical researchers at the Perelman School of Medicine at the University of Pennsylvania identified a neurological syndrome that left U.S. government personnel serving in Havana, Cuba with persistent memory and thinking dysfunction, as well as vision and balance problems after hearing unusual noises in their homes or hotel rooms. The team published their findings in JAMA.

02/15/2018 08:37 AM
Is wedded bliss the secret to good health?
For years, it's seemed like the jury was officially out on marriage being good for your health. But could the changing social landscape mean that's no longer the case?

02/15/2018 08:33 AM
Genetic technique reverses Alzheimer's processes in mice
Researchers in the US have used genetic techniques to slow the progression of Alzheimer's in mice that show features of the disease. The study, which centered around a protein called BACE1, was reported today in the Journal of Experimental Medicine.

02/14/2018 03:00 PM
Can learning stress-reducing techniques help reduce seizures?
Learning techniques to help manage stress may help people with epilepsy reduce how often they have seizures, according to a study published in the February 14, 2018, online issue of Neurology, the medical journal of the American Academy of Neurology.

02/14/2018 09:16 AM
Does your valentine have a roving eye? Watch out
(HealthDay)—Just in time for Valentine's Day, new research suggests one behavior can predict how strong a couple's bond might be.

02/14/2018 07:52 AM
Breast cancer treatment and heart disease—what you need to know
Recently, the American Heart Association published a striking statement for women who have undergone chemotherapy and/or radiation treatment for breast cancer: namely, that these therapies can contribute to heart failure or other heart problems, even many years after the conclusion of cancer treatment.

02/13/2018 12:41 PM
Scientists identify immune cascade that fuels complications, tissue damage in chlamydia infections
Closing a critical gap in knowledge, Harvard Medical School scientists have unraveled the immune cascade that fuels tissue damage and disease development in chlamydia infection—the most common sexually transmitted disease in the United States.

02/13/2018 07:09 AM
Consensual sex is key to happiness and good health, science says
As we approach Valentine's Day, it's nice to celebrate love and, one the best parts about it, sex. As a doctor and epidemiologist who studies sex, I bring good news for Valentine's Day. It's not just that sex is fun – it's also good for your physical and mental health.

02/12/2018 01:56 PM
When the body attacks the brain: Immune system often to blame for encephalitis, study finds
Encephalitis caused by the immune system attacking the brain is similar in frequency to encephalitis from infections, Mayo Clinic researchers report in Annals of Neurology.

02/12/2018 11:40 AM
Who gets unneeded antibiotics most often?
(HealthDay)—Some patients are more likely than others to get antibiotics they don't need, new research shows.

02/12/2018 09:40 AM
What the flu does to your body, and why it makes you feel awful
Every year, from 5 to 20 percent of the people in the United States will become infected with influenza virus. An average of 200,000 of these people will require hospitalization and up to 50,000 will die. Older folks over the age of 65 are especially susceptible to influenza infection, since the immune system becomes weaker with age. In addition, older folks are also more susceptible to long-term disability following influenza infection, especially if they are hospitalized.

02/09/2018 10:20 AM
Hey kids, just say no to energy drinks
(HealthDay)—Highly caffeinated energy drinks aren't safe for children and teens, and should not be marketed to them, a leading sports medicine organization warns.

02/09/2018 10:10 AM
Head injuries hit one in 14 kids, CDC reports
(HealthDay)—Given the news of the devastating effects of head injuries among professional football players, parents may wonder if their mini athletes are at risk, too.

02/09/2018 09:40 AM
Researchers report first lung stem cell transplantation clinical trial
A research team from Tongji University in China have made a breakthrough in human lung regeneration technology. For the first time, researchers have regenerated patients' damaged lungs using autologous lung stem cell transplantation in a pilot clinical trial. The study can be found in the open access journal Protein & Cell.

02/09/2018 08:19 AM
Virologist discusses the vagaries of the flu
The flu has been our viral companion for millennia, but its capricious behavior continues to confound scientists and public health experts.

02/08/2018 03:15 PM
Undergraduate student uncovers genes associated with aggressive form of brain cancer
When Leland Dunwoodie, an undergraduate researcher in biochemistry, approached his PI about wanting to start research on "some human stuff" in the spring of 2016, he didn't imagine it would lead to the discovery of 22 genes that are implicated in glioblastoma, the most aggressive type of brain cancer.

02/08/2018 02:20 PM
Youth violence in U.S. declines—but the war's not over
(HealthDay)—Far fewer young people are turning up in U.S. emergency rooms with assault injuries, but youth violence remains a serious issue, a new government study shows.

02/08/2018 08:50 AM
Does a sugar tax cause alcohol sales to spike? The research doesn't give a decisive answer
Consuming sugar-sweetened drinks is associated with a range of health issues including weight gain and obesity. These are risk factors for diabetes, heart disease, high blood pressure, strokes and certain cancers.

02/08/2018 08:48 AM
How labels like 'addict' and 'junkie' mask class contempt for drug users
Terms such as "drug user," "addict" or the blatantly pejorative "junkie," "dope head" or "stoner," are loaded with moral bias. They suggest that people who consume psychoactive substances are mentally weak and dangerous – when in fact chemically altering the mind (the natural drive for "intoxication") has long been a part of human biology and culture, most of which does not lead to any harm or crime.

02/08/2018 08:46 AM
HDAC6 inhibitors protect against neuronal damage and have therapeutic potential in neurology and oncology
Inhibiting HDAC6 improves the structural stability of cells and protects against neuronal damage. Leuven research uncovered that targeting this mechanism could be a promising therapeutic approach for peripheral neuropathies, whether due to Charcot-Marie-Tooth disease (CMT) or as a side effect of chemotherapy.

02/07/2018 01:00 PM
Suicides spiked after death of Robin Williams, study finds
In the months after Robin Williams committed suicide in 2014, researchers at Columbia University's Mailman School of Public Health documented a marked 10 percent increase in of suicides. While excess suicides were observed across gender and age groups, males aged 30 to 44 were particularly affected. The data also showed there was a 32 percent increase in suffocation suicides in the five months that followed Williams' death by the same method, compared to a 3 percent rise for all suicides from other methods. The findings are reported online in the journal PLOS ONE.

02/07/2018 08:38 AM
Are redheads with blue eyes really going extinct?
For every 100 people in the world, only one or two will have red hair.

02/07/2018 06:51 AM
We're not addicted to smartphones, we're addicted to social interaction
We all know people who, seemingly incapable of living without the bright screen of their phone for more than a few minutes, are constantly texting and checking out what friends are up to on social media.

02/07/2018 06:40 AM
Researcher uses stem cells to attack bacteria and regenerate dental pulp
Emi Shimizu's research could someday transform a procedure dental patients dread: the root canal.