Vitamin D Deficiency Drives Opioid Addiction in Mice
Vitamin D Deficiency Drives Opioid Addiction in Mice
Mice with low vitamin D had exaggerated craving for opioids and felt the drugs’ effects more strongly—results supported in part by human medical records—suggesting that supplements should be explored as treatments for opioid use disorders.
Vitamin D Deficiency Drives Opioid Addiction in Mice
Vitamin D Deficiency Drives Opioid Addiction in Mice

Mice with low vitamin D had exaggerated craving for opioids and felt the drugs’ effects more strongly—results supported in part by human medical records—suggesting that supplements should be explored as treatments for opioid use disorders.

Mice with low vitamin D had exaggerated craving for opioids and felt the drugs’ effects more strongly—results supported in part by human medical records—suggesting that supplements should be explored as treatments for opioid use disorders.

UV light
Infographic: Light Triggers Photocage Opening, Apoptosis Inhibition
Infographic: Light Triggers Photocage Opening, Apoptosis Inhibition
Jef Akst | Jan 1, 2021
Researchers develop a caspase inhibitor that only works after being irradiated with UV light, giving them control over apoptosis in human cells.
Tardigrades’ List of Super Powers Grows Ever Longer
Tardigrades’ List of Super Powers Grows Ever Longer
Ashley Yeager | Jan 1, 2021
Water bears can survive extreme temperatures, oxidative stress, UV radiation, and more, but as work in climate change biology shows, they’re not invulnerable to everything.
Light-Activated Molecules Stop Apoptosis at the Flip of a Switch
Light-Activated Molecules Stop Apoptosis at the Flip of a Switch
Jef Akst | Jan 1, 2021
A new inhibitor gives researchers the ability to control programmed cell death in cultured human T cells.
Image of the Day: Hot Pink Squirrels
Image of the Day: Hot Pink Squirrels
Carolyn Wilke | Feb 15, 2019
Under UV light, flying squirrels give off a rosy glow.
Two More Corrections for Criticized Researchers
Two More Corrections for Criticized Researchers
Kerry Grens | Sep 22, 2016
A university investigation has so far found no wrongdoing by the principal investigator.
Next Generation: Nano Sunblock
Next Generation: Nano Sunblock
Anna Azvolinsky | Sep 28, 2015
A new nanoparticle-based sunblock is effective, long-lasting, and may eliminate absorption of potentially harmful chemicals into the skin and bloodstream, a mouse study shows.
The Dark Side of Melanin
The Dark Side of Melanin
Anna Azvolinsky | Feb 19, 2015
Researchers uncover a previously unknown way UV light can act on melanin, spurring cancer-causing mutations hours after sun exposure.
UV Like an Addictive Substance?
UV Like an Addictive Substance?
Kerry Grens | Jun 19, 2014
Chronic exposure to ultraviolet light leads to endorphin release and signs of addiction in mice.
Wary Reindeer
Wary Reindeer
Rina Shaikh-Lesko | Mar 17, 2014
UV light-emitting power lines may spook reindeer and other animals, a study finds.