السبت، 10 أغسطس 2013

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Low childhood conscientiousness predicts adult obesity

Posted: 09 Aug 2013 08:52 AM PDT

Results from a longitudinal study show that children who exhibit lower conscientiousness (e.g., irresponsible, careless, not persevering) could experience worse overall health, including greater obesity, as adults. The study examines the relationship between childhood personality and adult health and shows a strong association between childhood conscientiousness (organized, dependable, self-disciplined) and health status in adulthood.

How parents see themselves may affect their child's brain and stress level

Posted: 09 Aug 2013 08:51 AM PDT

A mother's perceived social status predicts her child's brain development and stress indicators, finds a new study -- the first to link brain function to maternal self-perception. Children in the study, whose mothers saw themselves as having a low social status were more likely to have increased cortisol levels, (stress indicator), and less activation of their hippocampus, (structure in the brain responsible for long-term memory formation, required for learning) and reducing stress responses.

Cells eat themselves into shape

Posted: 09 Aug 2013 08:48 AM PDT

To quickly smooth out their surface, cells in the fruit fly embryo 'suck in' long tubes of membrane in a specialized type of endocytosis, scientists have found. The study could help explain how the cells on your skin become different from those that line your stomach or intestine.

Autism affects different parts of the brain in women and men

Posted: 09 Aug 2013 05:41 AM PDT

Autism affects different parts of the brain in females with autism than males with autism, a new study reveals.

How to achieve a well-balanced gut: 'Peacekeeper' in the gut identified

Posted: 09 Aug 2013 05:41 AM PDT

Creating an environment that nurtures the trillions of beneficial microbes in our gut and, at the same time, protects us against invasion by food-borne pathogens is a challenge. A new study reveals the role of a key player in this balancing act.

Gene variations may help predict cancer treatment response

Posted: 09 Aug 2013 05:41 AM PDT

Researchers have identified four inherited genetic variants in non-small cell lung cancer patients that can help predict survival and treatment response. Their findings could help lead to more personalized treatment options and improved outcomes for patients.

Helper cells aptly named in battle with invading pathogens

Posted: 09 Aug 2013 05:38 AM PDT

By tracking the previously unknown movements of a set of specialized cells, scientists are shedding new light on how the immune system mounts a successful defense against hostile, ever-changing invaders.

Access to HeLa cell genome data restored following agreement

Posted: 07 Aug 2013 10:40 AM PDT

Genomic data from a HeLa cell line are being released with publication of final version of first study to sequence and analyze entire genome of a HeLa cell line. The study was conducted by European Molecular Biology Laboratory scientists.

Researchers publish study on genome of aggressive cervical cancer that killed Henrietta Lacks

Posted: 07 Aug 2013 10:40 AM PDT

A research team has unveiled a comprehensive portrait of the genome of the world's first immortal cell line, known as HeLa. The cell line was derived in 1951 from an aggressive cervical cancer that killed Henrietta Lacks -- the subject of a bestselling book. They will also be the first group to publish under a new National Institutes of Health policy for HeLa genomic data, established through discussions with Lacks' family.
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