Immune system follows circadian clock

Immune system follows circadian clock

Mice with jet lag have boosted supply of cells linked to inflammation

By Meghan Rosen, 12:53 PM November 7, 2013

Jet lag goofs up more than just sleep schedules: Tinkering with the body's clock confuses the immune system too.

In mice, a type of immune cell linked to inflammation depends on daily cycles of light and dark, researchers report in the Nov. 8 Science. The finding could help explain the connection between inflammatory diseases and chronic clock disruptions, such as those experienced by frequent fliers and night shift workers.

“This has implications for all of us,” says study author Lora Hooper, ...

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