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Epigenetic reprogramming holds out great hope for making aging cells youthful again. But since it doesn't address the underlying damage, many scientists are waving red warning flags.

Today's open access paper is a review of present progress towards regenerative therapies that can reverse hearing loss. Progressive hearing loss is pervasive in old age, and accelerates considerable in the later stages of life. Hearing loss correlates with cognitive decline, and while it is plausible that this is because of degeneration of central nervous system function, there is also the consideration that loss of hearing isolates people and deprives them of interactions that stimulate brain activity. It is well demonstrated in mice that environment richness has a strong impact on the brain and its pace of aging. Much of...

Researchers here suggest that infection plays an important role in cardiovascular disease in later life, and that the chronic inflammation of aging is a factor in allowing infection to cause significant harm to the heart.

Engineering principles developed only 150 years ago were found to have evolved first in biological circuitry that controls cell growth, according to new UA research.