الأحد، 13 نوفمبر 2016

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Scientists develop tissue-engineered model of human lung and trachea

Posted: 11 Nov 2016 11:08 AM PST

Scientists have developed a tissue-engineered model of lung and trachea which contains the diverse cell types present in the human respiratory tract.

Surgery for back pain reduces problems with sex life-related pain

Posted: 11 Nov 2016 11:08 AM PST

For patients with degenerative spinal disease, surgery is more effective in reducing pain that interferes with sexual activity, compared to nonsurgical treatment.

Fun, comfort with exercise helps young people with conditions like autism and ADHD remain active

Posted: 11 Nov 2016 10:32 AM PST

The best way to help young people with neurodevelopmental disorders like autism and attention deficit/hyperactivity disorder get more exercise is to make it fun, according to a small international sampling of adults living with them.

Immune cells may facilitate tumor growth by forming primitive vascular channels

Posted: 11 Nov 2016 10:07 AM PST

A new study suggests there may be a way to limit tumor growth by targeting immune system cells called macrophages.

Teens with asthma almost twice as likely to smoke as their healthy counterparts

Posted: 11 Nov 2016 06:47 AM PST

Curiosity is a driving factor in why most kids start smoking, and the same is true for kids with asthma. A new study found adolescents with asthma were twice as likely to smoke as kids without asthma. And they continue to smoke well into their teen years, even though they know smoking is particularly bad for their lungs.

Odds of having asthma 53 percent higher in food deserts

Posted: 11 Nov 2016 06:47 AM PST

Living in a food desert – an urban area where it is difficult to buy affordable or good-quality fresh food – means you're at increased risk to have asthma. Children who were studied who did not have access to fresh fruits and vegetables had higher rates of asthma than children who did have access.

Probiotics improve cognition in Alzheimer's patients

Posted: 10 Nov 2016 01:28 PM PST

For the first time, scientists have shown that probiotics -- beneficial live bacteria and yeasts taken as dietary supplements -- can improve cognitive function in humans. In a new clinical trial, scientists show that a daily dose of probiotic Lactobacillus and Bifidobacterium bacteria taken over a period of just 12 weeks is enough to yield a moderate but significant improvement in the score of elderly Alzheimer's patients on the Mini-Mental State Examination (MMSE) scale, a standard measure of cognitive impairment.

Catching a tumor in a spider's web

Posted: 10 Nov 2016 12:26 PM PST

After a decade of research, medical researchers have revealed a new designer molecule that inhibits a well-validated cancer driver through the mechanism of amyloid formation. This work demonstrates that amyloid structures can be used to rationally develop a novel class of biotechnological molecules that are able to fight a wide array of diseases. Next steps to translate this groundbreaking technology into direct benefits for patients are already being explored.

Getting doctors and nurses to work together at patient bedsides

Posted: 10 Nov 2016 06:40 AM PST

The structures of health care systems helps determine how doctors and nurses collaborate during hospital rounds, according to Penn State College of Medicine researchers. A greater understanding of such team-based treatment in hospitals could help improve patient care.

Die another day: How the immune system keeps 'traitor cells' in lockdown

Posted: 10 Nov 2016 05:59 AM PST

Researchers have uncovered how our immune system strikes a balance between attacking invaders and leaving our own tissues alone – and, in the process, have solved a 50-year mystery surrounding the role of an enigmatic antibody.
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