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'Twas the Night Before Christmas

The title of this blog is the opening of A Visit from St. Nicholas, a famous poem of disputed authorship.  One of the possible authors was Henry Livingston Jr, who had a habit of signing his other poems with a simple "R".  A Visit From St.

Written by: Stephen RichardsTags: Filter information matrix by tag: centenarians, Filter information matrix by tag: data validation

Definitions of age

When modelling longevity, age is well-known to be a crucial risk factor. However it is also well-known that the life-expectancy upon attaining any specific age will differ between populations.
Written by: Gavin RitchieTags: Filter information matrix by tag: longevity, Filter information matrix by tag: research, Filter information matrix by tag: genetics, Filter information matrix by tag: centenarians, Filter information matrix by tag: age

Vampiric victories

A Halloween-themed blog for the spooky season perhaps, but it isn't quite as off-topic as it first appears.  In legend, the vampire sought immortality through blood, whether drinking it or — reputedly in the case of Countess Elizabeth Báthory — bathing in it.
Written by: Gavin RitchieTags: Filter information matrix by tag: longevity, Filter information matrix by tag: blood, Filter information matrix by tag: centenarians, Filter information matrix by tag: Halloween

Jeanne Calment's secret?

The story of Jeanne Calment, as the oldest verified human, represents an intriguing case for longevity practitioners, and serves as something of a cautionary tale for those in the annuity and pensions space.
Written by: Gavin RitchieTags: Filter information matrix by tag: longevity, Filter information matrix by tag: research, Filter information matrix by tag: smoking, Filter information matrix by tag: centenarians

The accumulation of small changes

It is often easy to be fooled into thinking that a small change is of little importance.  Small changes can persist over time, and sometimes it is only in retrospect that one realises just how big the accumulated change is.
Written by: Stephen RichardsTags: Filter information matrix by tag: mortality improvements, Filter information matrix by tag: centenarians