News tagged with biological evidence

Metastasis stem cells in the blood of breast cancer patients discovered

Individual cancer cells that break away from the original tumor and circulate through the blood stream are considered responsible for the development of metastases. These dreaded secondary tumors are the ...

Cancer Apr 22, 2013 | 5 / 5 (3) | 0 |

It's genetic: Some smokers have biological resistance to anti-tobacco policies

(Medical Xpress)—Despite concerted government efforts to curtail tobacco use, the number of smokers in the United States has remained stable in recent years, rather than declining. The reason: genetics.

Genetics Dec 06, 2012 | not rated yet | 1 |

Study shows brain function differences in women with anorexia

A new study published in Social Cognitive and Affective Neuroscience by researchers at the Center for BrainHealth at UT Dallas and UT Southwestern found brain-based differences in how women with and without anor ...

Neuroscience Sep 17, 2012 | not rated yet | 1 |

Feline friends?

A report showing that 350,000 people in the UK become infected with the Toxoplasma parasite each year has raised new concerns about its risks and has prompted a rethink of the dangers posed by cats.

Diseases, Conditions, Syndromes Sep 07, 2012 | not rated yet | 0

Bilingualism fine-tunes hearing, enhances attention

A Northwestern University study that will be published in the Proceedings of the National Academy of Sciences (PNAS) provides the first biological evidence that bilinguals' rich experience with language in essence "fine-tunes" ...

Neuroscience Apr 30, 2012 | 5 / 5 (2) | 0 |

Can you die of a broken heart? Bereavement can weaken the body's ability to fight infections

(Medical Xpress) -- Immunity experts at the University of Birmingham have found biological evidence to suggest that bereavement lowers physical immunity, putting older people at risk of life-threatening infections..

Immunology Mar 28, 2012 | not rated yet | 0

Music training has biological impact on aging process

Age-related delays in neural timing are not inevitable and can be avoided or offset with musical training, according to a new study from Northwestern University. The study is the first to provide biological evidence that ...

Neuroscience Jan 30, 2012 | 5 / 5 (5) | 0 |

Breast cancers at lower-risk detected with widespread use of mammograms

As a woman ages, her chances of being diagnosed with a lower-risk breast tumor increase, according to a novel study led by UCSF which found that for women over 50, a substantial number of cancers detected by mammograms have ...

Cancer Dec 19, 2011 | not rated yet | 0

Diabetes drug metformin shows promise in reducing risk of cancer

An inexpensive drug that treats Type-2 diabetes has been shown to prevent a number of natural and man-made chemicals from stimulating the growth of breast cancer cells, according to a newly published study by a Michigan State ...

Cancer Nov 23, 2011 | 5 / 5 (2) | 0 |

Attention and awareness uncoupled in brain imaging experiments

In everyday life, attention and awareness appear tightly interwoven. Attending to the scissors on the right side of your desk, you become aware of their attributes, for example the red handles. Vice versa, ...

Neuroscience Nov 10, 2011 | 4 / 5 (5) | 2 |

Study examines nicotine as a gateway drug

A landmark study in mice identifies a biological mechanism that could help explain how tobacco products could act as gateway drugs, increasing a person's future likelihood of abusing cocaine and perhaps other drugs as well, ...

Medical research Nov 02, 2011 | 3.3 / 5 (3) | 0 |

Research reveals genetic link to human intelligence

University of Manchester scientists, working with colleagues in Edinburgh and Australia, have provided the first direct biological evidence for a genetic contribution to people’s intelligence.

Genetics Aug 10, 2011 | 4.4 / 5 (9) | 1 |

'Other-race effect': Clues to why 'they' all look alike

Northwestern University researchers have provided new biological evidence suggesting that the brain works differently when memorizing the face of a person from one's own race than when memorizing a face from another race.

Psychology & Psychiatry Jun 30, 2011 | 3.7 / 5 (6) | 12 |