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Materias / palabras clave: Blood pressure; Medicine; Stroke (engine); Prospective cohort study; Internal medicine; Cardiology; Meta-analysis; Cause of death; Disease; Mechanical engineering; Engineering

A number of recent studies have focused on the statistical properties of networked systems such as social networks and the Worldwide Web. Researchers have concentrated particularly on a few properties that seem to be com...

Materias / palabras clave: Neuroscience; Psychology; Posterior parietal cortex; Stimulus (psychology); Intraparietal sulcus; Task-positive network; Attentional control; Frontal eye fields; Salient; Dorsum; Cortex (anatomy); Cognitive psychology

Materias / palabras clave: Climate change; Ecology; Ecosystem; Global change; Ecological forecasting; Global warming; Geography; Environmental science; Biology

An automated method for segmenting magnetic resonance head images into brain and non-brain has been developed. It is very robust and accurate and has been tested on thousands of data sets from a wide variety of scanners ...

Materias / palabras clave: Medicine; Clinical Practice; Intensive care medicine; Family medicine

At high concentrations, free radicals and radical-derived, nonradical reactive species are hazardous for living organisms and damage all major cellular constituents. At moderate concentrations, however, nitric oxide (NO)...

Materias / palabras clave: Inflammation; Chemokine; Cancer; Selectin; Metastasis; Innate immune system; Immune system; Cancer research; Immunology; Tumor microenvironment; Biology; Medicine

Materias / palabras clave: Biology; Reactive oxygen species; Signal transduction; Oxidative stress; Abiotic stress; Abiotic component; Cell biology; Cellular metabolism; Programmed cell death; Cell signaling; Mutant; Transduction (biophysics)

It has been more than 10 years since it was first proposed that the neurodegeneration in Alzheimer's disease (AD) may be caused by deposition of amyloid beta-peptide (Abeta) in plaques in brain tissue. According to the a...

Materias / palabras clave: Hospital Anxiety and Depression Scale; Anxiety; Psychology; Discriminant validity; Rating scale; Depression (economics); Cronbach's alpha; Population; Psychiatry; Clinical psychology; Psychometrics; Medicine