السبت، 25 أكتوبر 2014

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Australian doctors transplants first circulatory death human heart

Posted: 24 Oct 2014 11:48 AM PDT

The St Vincent's Hospital Heart Lung Transplant Unit has carried out the world's first distant procurement of hearts donated after circulatory death (DCD). These hearts were subsequently resuscitated and then successfully transplanted into patients with end-stage heart failure.

Growing a blood vessel in a week

Posted: 24 Oct 2014 07:12 AM PDT

The technology for creating new tissues from stem cells has taken a giant leap forward. Three tablespoons of blood are all that is needed to grow a brand new blood vessel in just seven days.

Ebola's evolutionary roots more ancient than previously thought

Posted: 24 Oct 2014 07:12 AM PDT

A new study is helping to rewrite Ebola's family history. It shows that Ebola and Marburg are each members of ancient evolutionary lines, and that these two viruses last shared a common ancestor sometime prior to 16-23 million years ago.

For brain hemorrhage, risk of death lower at high-volume hospitals

Posted: 24 Oct 2014 05:26 AM PDT

For patients with a severe type of stroke called subarachnoid hemorrhage, treatment at a hospital that treats a high volume of subarachnoid hemorrhage cases is associated with a lower risk of death, reports a new study.

New methods for maintaining the quality of minimally processed potatoes for 14 days, without the use of sulphites

Posted: 24 Oct 2014 05:25 AM PDT

Researchers have proposed alternatives to the use of sulphites in potatoes, one of the main preservatives currently used and which, among other properties, prevents the browning that appears after peeling and/or cutting certain foods.

Costs to treat bleeding strokes increases 10 years later

Posted: 23 Oct 2014 04:35 PM PDT

Costs to treat strokes caused by bleeding in the brain increased about 31 percent from five years after stroke to 10 years. Medication, nursing home and informal care expenses accounted for some of the increases.

Hidden truth about the health of homeless people

Posted: 23 Oct 2014 04:34 PM PDT

As many as 4 million Europeans and 3.5 million Americans experience homelessness every year, and the numbers are rising. Homeless people "are the sickest in our society", but just treating ill health might not be enough to help get people off the streets, according to a new two-part Series on homelessness in high-income countries.

In orbit or on Earth, implantable device will be commanded to release therapeutic drugs remotely

Posted: 23 Oct 2014 04:33 PM PDT

Scientists are developing an implantable device that delivers therapeutic drugs at a rate guided by remote control. The device's effectiveness will be tested aboard the International Space Station and on Earth's surface.

'Long tail' thinking can help eliminate health disparities

Posted: 23 Oct 2014 04:33 PM PDT

"Long tail" thinking in public health might yield greater progress in eliminating health disparities, according to a new study. The long tail strategy is one many new businesses employ, recognizing that selling small quantities of many niche items can be more profitable than selling a few blockbuster items.

Meiosis: Cutting the ties that bind

Posted: 23 Oct 2014 11:20 AM PDT

The development of a new organism from the joining of two single cells is a carefully orchestrated endeavor. But even before sperm meets egg, an equally elaborate set of choreographed steps must occur to ensure successful sexual reproduction. Those steps, known as reproductive cell division or meiosis, split the original number of chromosomes in half so that offspring will inherit half their genetic material from one parent and half from the other.

Breast Cancer Tumor Response to Neoadjuvant Chemotherapy measured

Posted: 23 Oct 2014 10:13 AM PDT

It may be possible to use Diffuse Optical Spectroscopic Tomographic imaging (DOST) to predict which patients will best respond to chemotherapy used to shrink breast cancer tumors before surgery, a study shows.

New therapies for systemic amyloid diseases? Scientists closer to combating dangerous unstable proteins

Posted: 23 Oct 2014 10:08 AM PDT

Scientists have discovered a way to decrease deadly protein deposits in the heart, kidney and other organs associated with a group of human diseases called the systemic amyloid diseases.

Blood from Ebola survivors tested as short-term treatment option

Posted: 23 Oct 2014 06:18 AM PDT

Medical researchers will assess whether treatment with antibodies in the blood of Ebola survivors could help infected patients to fight off the disease. If proven effective, this straightforward intervention could be scaled-up in the short term and provide an urgently needed treatment option for patients in West Africa.

Hand blenders used for cooking can emit persistent chemicals

Posted: 23 Oct 2014 06:18 AM PDT

Eight out of twelve tested models of hand blenders are leaking chlorinated paraffins when used according to the suppliers' instructions. Chlorinated paraffins are included in the subject group of persistent organic pollutants which humans and animals should be protected from.

A strong welfare state mitigates the impact of the Great Recession

Posted: 23 Oct 2014 06:18 AM PDT

There is a general correlation between unemployment and suicide among men. But the weaker the unemployment protection in the country, the stronger the connection. These findings are reported in a comparative study covering thirty countries, focusing the impact of the Great Recession on unemployment and suicide rates.

Trans fats still weighing Americans down

Posted: 22 Oct 2014 01:39 PM PDT

Americans are eating less trans and saturated fats than they were three decades ago, but they're still consuming these bad fats more than what's recommended for good cardiovascular health. Intake of healthy omega-3 fatty acid was steady over the last 30 years, but most people still don't get enough.

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