The domestic game is dominated by big-money company teams, whose cash has attracted many ageing stars from the major rugby-playing nations.
Europe had much to ponder before the crisis, from ageing populations to energy security.
Countries have varying underlying debt burdens and face differing pressures from ageing populations.
Meanwhile recent maintenance shutdowns in the North Sea have worsened already declining supplies from ageing fields of Brent crude.
Few people like the idea of retiring later, but it may be essential to prevent the ageing of populations from wrecking public finances.
But what do ageing political obsessives from Westminster know about cool?
In other words, they save America's great cities from ageing rapidly.
It seems premature to worry about ageing workers retiring from the labour force, when over 400, 000 French men and women under 25 cannot find a way into it.
The discoveries and the investment decision will help India's top crude producer arrest a trend of declining output over the past five years as most of its producing fields are ageing, apart from boosting earnings.
Firms that had used unrealistically low cost estimates for extracting oil from ageing fields have suddenly been bailed out of trouble by the price rise, which makes extraction viable, and thus reserves proved, even at a higher cost.
The previous memorial was replaced due to damage from natural ageing and acid rain.
In developed economies, population ageing is less welcome from an economic and fiscal perspective.
But many among the nation's ageing population also suffer from chronic disease.
BBC: Ageing well: Can dance and art keep the mind and body young?
Dr Yacoub Kalaf, consultant in reproductive medicine and surgery at Guy's Hospital, says that research suggests there is an age after which men suffer from reproductive ageing.
Costly demands loom, from an ageing population to biotechnology.
These drugs may help in childhood learning disability, in the memory loss with ageing and even in recovery from brain damage.
Guitars crunch and whine, the ghost of Ziggy briefly flutters into view and a million ageing star children wipe tears from glittering lashes.
For rich countries with ageing workforces in particular, gains from importing the young, the energetic and those willing to take risks comfortably outweigh the costs.
Ajit Pawar resigned partly to show independence from his uncle, the ageing NCP strongman, Sharad Pawar.
While the health service is getting small rises in its budget, many argue that costs from issues such as the ageing population and lifestyle factors including obesity outstrip these increases.
And it comes at a time when demand is growing from factors such as the ageing population, development of new treatments and rise in conditions such as diabetes and heart disease.
If the NHS does not become more productive it will simply have to cut what it does to cope with the rising demand from factors such as the ageing population and obesity.
While the health budget is increasing in the coming years, many experts say this is not happening fast enough to keep pace with rising costs from factors such as the ageing population and obesity.
BBC: Health reforms in England took NHS by surprise, MPs say
These are typically costly and come from clapped-out fields along ageing pipelines through unreliable transit countries, with unwelcome political conditions attached.
Like France and Italy, Germany suffers from a killer combination of an ageing population, low birth rates and generous pension provision.
With 17.4% of Croatia's population over the age of 64, Croatia's ageing population and the impact that has on everything from pensions to creativity is a huge problem for the future.
Fiat Auto has limped along for years, suffering from an over-ambitious global plan and ageing products.
Professor of Epidemiology of Ageing at Newcastle University Carol Jagger and Professor David Bell from Stirling University also gave evidence.
The nursing homes run by charities like the Tsao Foundation (motto: 'Ageing Gracefully') are starting to demand more help from the government.
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