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The Lead

Coffee Ups Prediabetes Risk in Young Adults

September 2, 2014 2:00 pm | by European Society of Cardiology | News | Comments

Coffee increases the risk of prediabetes in young adults with hypertension who are slow caffeine metabolizers, according to results from a study that found people who drank more than three cups of coffee per day doubled their risk of prediabetes.

Food Prices Rise in Ebola-hit Countries

September 2, 2014 8:20 am | by Associated Press | News | Comments

Food in countries hit by Ebola is getting more expensive and will become scarcer because many...

Bacteria Can Distinguish Harmful vs. Helpful Viruses

September 2, 2014 7:00 am | by Rockefeller Univ. | News | Comments

Scientists have assumed the bacterial version of an immune system would robotically destroy...

Imaging Shows How Cocaine Slows Blood in Brain

August 29, 2014 2:00 pm | by The Optical Society | News | Comments

A new method for measuring and imaging how quickly blood flows in the brain could help doctors...

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Electric Current Boosts Memory

August 29, 2014 2:00 pm | by Northwestern Univ. | News | Comments

Stimulating a particular region in the brain via non-invasive delivery of electrical current using magnetic pulses, called Transcranial Magnetic Stimulation, improves memory. The discovery opens a new field of possibilities for treating memory impairments caused by conditions such as stroke, early-stage Alzheimer's disease, traumatic brain injury, cardiac arrest and the memory problems that occur in healthy aging.

Lessons Can Be Learned from HIV Baby

August 29, 2014 2:00 pm | by Johns Hopkins Medicine | News | Comments

The news in July that HIV had returned in a Mississippi toddler after a two-year treatment-free remission dashed the hopes of the possibility of a cure. But a new commentary argues that despite its disappointing outcome, the Mississippi case and two other recent HIV “rebounds” in adults, have yielded critical lessons about the virus’ ability to form cure-defying viral hideouts.

Imaging Shows How Cocaine Slows Blood in Brain

August 29, 2014 2:00 pm | by The Optical Society | News | Comments

A new method for measuring and imaging how quickly blood flows in the brain could help doctors and researchers better understand how drug abuse affects the brain, which may aid in improving brain cancer surgery and tissue engineering, and lead to better treatment options for recovering drug addicts.

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Home is Where Your Microbes Are

August 29, 2014 2:00 pm | by Argonne National Laboratory | News | Comments

A person's home is their castle, and they populate it with their own subjects: millions and millions of bacteria. A new study reports provides a detailed analysis of the microbes that live in houses and apartments. The results shed light on the complicated interaction between humans and the microbes that live on and around us.

Neuroscientists Watch Imagination in Action

August 29, 2014 7:00 am | by Brigham Young Univ. | News | Comments

Thanks to the dreams of a student, we now know more about where and how imagination happens in our brains. She and her faculty mentor devised experiments using MRI technology that would help them distinguish pure imagination from related processes like remembering.

Feds to Test Ebola Vaccine Next Week

August 29, 2014 7:00 am | by Associated Press, Seth Borenstein | News | Comments

Federal researchers next week will start testing humans with an experimental vaccine to prevent the deadly Ebola virus. The National Institutes of Health announced that it is launching the safety trial on a vaccine developed by the agency's National Institute of Allergy and Infectious Diseases and GlaxoSmithKline.

Synthesis Yields Natural Antibiotic

August 29, 2014 7:00 am | by Rice Univ. | News | Comments

A fortuitous collaboration has led to the total synthesis of a recently discovered natural antibiotic. The laboratory recreation of a fungus-derived antibiotic, viridicatumtoxin B, may someday help bolster the fight against bacteria that evolve resistance to treatments in hospitals and clinics around the world.

Tomatoes May Prevent Prostate Cancer

August 29, 2014 7:00 am | by Univ. of Bristol | News | Comments

Men who eat over 10 portions of tomatoes a week have an 18 percent lower risk of developing prostate cancer, the second most common cancer in men worldwide, new research suggests.

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‘Contaminated’ Blood Tests May Save Lives

August 28, 2014 2:00 pm | by American Friends of Tel Aviv Univ. | News | Comments

Some 30 percent of all positive hospital blood culture samples are discarded every day because they're contaminated— they reflect the presence of skin germs instead of specific disease-causing bacteria. But, rather than toss these compromised samples into the trash, clinicians may be able to use the resistance profiles of skin bacteria identified by these tests to treat patients with antibiotics appropriate to their ailment.

WHO: Ebola Cases May Reach 20,000

August 28, 2014 2:00 pm | by Associated Press, John Heilprin, Krista Larson | News | Comments

The Ebola outbreak in West Africa eventually could exceed 20,000 cases, more than six times as many as doctors know about now, the World Health Organization said today. A new plan to stop Ebola by the UN health agency also assumes that in many hard-hit areas, the actual number of cases may be two to four times higher than is currently reported.

Fruit Fly Research Sheds Light on Vision

August 28, 2014 2:00 pm | by New York Univ. | News | Comments

Biologists studying fruit flies have identified a mechanism that helps explain how the diversity of neurons that make up the visual system is generated.

Researchers Purposefully Trip Senior Citizens

August 28, 2014 2:00 pm | by Associated Press | News | Comments

Researchers are tripping seniors on purpose, and it's not some kind of warped practical joke. The experiment is among techniques being studied to prevent falls, the leading cause of injury in older adults. Falls in the elderly cost $30 billion yearly to treat and can send them spiraling into poor health and disability.

Junk Food Makes Rats Lose Taste for Balanced Diet

August 28, 2014 7:00 am | by Frontiers | News | Comments

A diet of junk food not only makes rats fat, but also reduces their appetite for novel foods, a preference that normally drives them to seek a balanced diet, reports a study. The study helps explain how excessive consumption of junk food can change behavior, weaken self-control and lead to overeating and obesity.

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Scientists: Stop Non-essential Use of Fluorochemicals

August 28, 2014 7:00 am | by Technical Univ. of Denmark | News | Comments

A number of leading international researchers have recommended that fluorochemicals are only used where they are absolutely essential, until better methods exist to measure the chemicals and more is known about their potentially harmful effects.

Brain is Hyper-connected in Depressed Young Adults

August 28, 2014 7:00 am | by Univ. of Illinois at Chicago | News | Comments

Depression may be better predicted and understood now that researchers have discovered that young adults who previously experienced the mental illness have hyper-connected emotional and cognitive networks in the brain.

Expedition Reveals Effects of Altitude on Blood Pressure

August 27, 2014 2:00 pm | by European Society of Cardiology | News | Comments

An expedition to Mount Everest by Italian researchers has shown for the first time that blood pressure monitored over a 24-hour period rises progressively as people climb to higher altitudes. The researchers also found that a drug used for lowering blood pressure, called telmisartan, was effective in counteracting the effects of altitude up to 3,400 meters.

Study Questions Long-held Depression Belief

August 27, 2014 2:00 pm | by ACS | News | Comments

New evidence puts into doubt the long-standing belief that a deficiency in serotonin— a chemical messenger in the brain— plays a central role in depression. Scientists are reporting that mice lacking the ability to make serotonin in their brains did not show depression-like symptoms.

Potential Ebola Treatment May Help Contain Future Outbreaks

August 27, 2014 2:00 pm | by ACS | News | Comments

Ebola is a rare, but deadly disease that exists as five strains, none of which have approved therapies. One of the most lethal strains is the Sudan ebolavirus (SUDV). Now, researchers are reporting a possible therapy that could someday help treat patients infected with SUDV.

Scientists Change Memories’ Emotional Association

August 27, 2014 2:00 pm | by MIT, Anne Trafton | News | Comments

A new study from neuroscientists reveals the brain circuit that controls how memories become linked with positive or negative emotions. Furthermore, the researchers found that they could reverse the emotional association of specific memories by manipulating brain cells with optogenetics— a technique that uses light to control neuron activity.

Collaborative Care Improves Depression in Teens

August 27, 2014 7:00 am | by JAMA - Journal of the American Medical Association | News | Comments

Among adolescents with depression seen in primary care, a collaborative care intervention that included patient and parent engagement and education resulted in greater improvement in depressive symptoms at 12 months than usual care.

Prenatal Alcohol Exposure Heightens Later Obesity Risk

August 27, 2014 7:00 am | by Alcoholism: Clinical & Experimental Research | News | Comments

A study examining body mass index in a large clinical sample of children with Fetal Alcohol Spectrum Disorders has found that rates of excess weight/obesity are elevated in children with partial fetal alcohol syndrome.

Brain Benefits from Bariatric Surgery

August 27, 2014 7:00 am | by Endocrine Society | News | Comments

Weight loss surgery can curb alterations in brain activity associated with obesity and improve cognitive function involved in planning, strategizing and organizing.

Company Recalls Possibly Contaminated Salad Kits

August 27, 2014 7:00 am | by Associated Press | News | Comments

A Southern California food company has recalled nearly 93,000 pounds of fully cooked chicken Caesar salad kits sold nationwide over concerns of possible listeria contamination.

Medtech, Pharma Start Hot, But Fizzle Out

August 27, 2014 7:00 am | by Evaluate Ltd. | News | Comments

An M&A frenzy that accounted for nearly $90 billion of equity set the pace for the first half of 2014 in the pharma and biotech sectors, but a slowdown in IPOs and six months of volatile market activity could tarnish the year’s shimmering start.

FDA Wants Comments of 'Safer' Tobacco

August 27, 2014 7:00 am | by Associated Press, Michael Felberbaum | News | Comments

Federal regulators are seeking public comment on smokeless tobacco maker Swedish Match's request to certify its General-branded tobacco products as less harmful than cigarettes. It is the first time the FDA has accepted a modified risk tobacco product application, a move that's being closely watched by both the public health community and tobacco companies.

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