A new PLoS ONE study shows that to avoid extinction, small populations may need fertility rates well above the standard 2.1—especially under demographic randomness. A female-biased sex ratio reduces ...

Most developed countries are barreling toward a demographic cliff. And it's worse than we thought. New research published ...

An international research team led by Geneva University Hospital found no increase in cardiovascular events during the first ...

A new study finds that a fertility rate of 2.7 children per woman, not 2.1, may be needed to avoid long-term population ...

Fertility rates are falling across the world. This isn’t just a social concern—it’s a mathematical warning. In places where ...

We used Poisson regression to estimate incidence rate ratios and 95% confidence intervals for days with diarrhea, vomiting, diarrhea with vomiting, cough with fever and earache or discharge with ...

A server delivered an iceberg salad; poisson gros sel ... slicing breast after breast into bites with an ideal ratio of crackling fat and skin and sumptuous meat. Had Mme. Chanel dined with ...

Objectives The relationship between the volume of medical procedures conducted in hospitals and the resulting health outcomes has been described for various surgical and non-surgical medical ...

Minh Nguyen, MS2, from the Brody School of Medicine at East Carolina University, presented findings on the evolving trends in pelvic lymph node dissection (PLND) during radical prostatectomy. Her ...

Unadjusted and smoking-adjusted standardised mortality ratios (SMRs) were calculated. The association between indicators of asbestos exposure and mortality was analysed with Poisson regression models, ...