الأحد، 22 يونيو 2014

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Gene critical for development of brain motor center found

Posted: 20 Jun 2014 01:33 PM PDT

A research team describes a gene called Snf2h, which is found in our brain's neural stem cells and functions as a master regulator. When they removed this gene early on in a mouse's development, its cerebellum only grew to one-third the normal size. It also had difficulty walking, balancing and coordinating its movements, something called cerebellar ataxia that is a component of many neurodegenerative diseases.

Effectiveness of PTSD treatments provided by DOD, VA unknown

Posted: 20 Jun 2014 11:39 AM PDT

The US Department of Defense and US Department of Veterans Affairs should track the outcomes of treatment for post-traumatic stress disorder (PTSD) provided to service members and veterans and develop a coordinated and comprehensive strategy to do so, says a new congressionally mandated report.

Citing 'urgent, acute' mental health issues, especially in Africa, experts petition gov'ts to act

Posted: 20 Jun 2014 09:04 AM PDT

Calling global mental health problems 'acute and urgent,' leading authorities from 11 countries have published a joint declaration calling for basic mental health care in Africa. Experts call for global mental health objectives to be included among the United Nations' post-2015 Sustainable Development Goals.

Safe water for the people in Tanzania

Posted: 20 Jun 2014 07:23 AM PDT

Hydraulic engineers and photovoltaics experts have developed a solar filtration system to produce high-quality drinking water from polluted brackish water and tested it successfully in Tanzania. The test results are currently being analyzed. The filter effectively separates undesired substances, bacteria, and viruses.

Emerging HIV epidemics among people who inject drugs in the Middle East and North Africa

Posted: 19 Jun 2014 11:22 AM PDT

HIV epidemics are emerging among people who inject drugs in several countries in the Middle East and North Africa. Though HIV infection levels were historically very low in the Middle East and North Africa, substantial levels of HIV transmission and emerging HIV epidemics have been documented among people who inject drugs in at least one-third of the countries of this region, according to research findings.

In hairless man, arthritis drug spurs hair growth -- lots

Posted: 19 Jun 2014 09:53 AM PDT

A man with almost no hair on his body has grown a full head of it after a novel treatment. There is currently no cure or long-term treatment for alopecia universalis, the disease that left the 25-year-old patient bare of hair. This is the first reported case of a successful targeted treatment for the rare, highly visible disease.

Feel-good hormones could cause UV addiction

Posted: 19 Jun 2014 09:52 AM PDT

Sun lovers eagerly flock to the beach every summer, despite widespread awareness of the risk of skin cancer. A new study reveals that chronic exposure to UV radiation causes the release of feel-good hormones called endorphins, which act through the same pathway as heroin, leading to physical dependence, tolerance, and addiction-like behavior in rodents. The findings could explain why people have an instinctive desire to be in the sun, despite its known health risks.

Depression linked to higher heart disease death risk in younger women

Posted: 18 Jun 2014 01:51 PM PDT

Women 55 and younger are twice as likely to suffer a heart attack, die or require artery-opening procedures if they're depressed. Women in this age group are also more likely than men and older women to suffer from depression -- possibly a 'hidden' risk factor that helps explain why more women die after a heart attack.
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