Blood marker from dementia research could help track aging across the animal world

A protein called neurofilament light chain (NfL)—studied in humans in the context of neurodegenerative diseases and aging—is ...
ExtremeTech

Scientists Find Blood from Young Mice Can Slow Aging in Old Mice

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Animal Welfare Institute

Swan, J., Boyer, S., Westlund, K. et al. 2023. Decreased levels of discomfort in repeatedly handled mice during experimental procedures, assessed by facial expressions ...

Mice are the most commonly used laboratory animal, yet there are limited studies which investigate the effects of repeated handling on their welfare and scientific outcomes. Furthermore, simple ...
Inverse

Young Blood Infusions Extend the Lifespan of Old Mice, New Study Finds

Since the eighteenth century, humans have been obsessed with young blood. No, not vampires, although the mythical creature could have been an inspiration. Young blood, researchers have long thought, ...
The New York Times

Blood of Young Mice Extends Life in the Old

Infusions of youthful blood led older mice to live 6 to 9 percent longer, a new study found. By Carl Zimmer A team of scientists has extended the lives of old mice by connecting their blood vessels to ...