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image: How Caffeine Affects the Body Clock

How Caffeine Affects the Body Clock

By | September 16, 2015

Evening consumption of the drug leads human circadian rhythms to lag.

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image: Melatonin for MS?

Melatonin for MS?

By | September 11, 2015

Improvements in multiple sclerosis symptoms correlate with higher levels of the sleep hormone, a study finds.

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image: Light’s Dark Side

Light’s Dark Side

By | July 25, 2014

Exposure to dim light at night speeds the growth of human breast cancer tumors implanted into rats and makes the cancer resistant to the drug tamoxifen.

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image: Behavior Brief

Behavior Brief

By | October 8, 2013

A round-up of recent discoveries in behavior research

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image: Glow-in-the-Dark Sharks

Glow-in-the-Dark Sharks

By | April 26, 2012

The hormone melatonin lights up the bellies of pygmy sharks, hiding their silhouette from predators below.

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