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Tissue engineering of new cartilage is an important goal in the field of regenerative medicine, but it has proven challenging to obtain the necessary structural properties. Natural cartilage is a resilient, strong tissue. Incremental progress towards this goal has been made over the years, as researchers explored the space of […]

It is well demonstrated that structured exercise programs improve function and reduce mortality in old humans, in part because the majority of people do not undertake anywhere near enough exercise. For mice, more activity takes place into later life, but how much is quite dependent on the environment in which […]

The popular science article I'll point out today does a fair job of following the past decade or so of work arising from heterochronic parabiosis, in which the circulatory systems of a young animal and an old animal are joined. The young animal exhibits some degree of accelerated aging, while […]