Phones cause wrinkles, ‘detrimental effects’ from blue light


Staring at your phone causes more than eyestrain, it gives you wrinkles.

Dermatologists have long understood that ultraviolet (UV) rays from the sun damage the appearance and overall health of the skin, but the harmful effects of blue light emitted from LED screens, such as those found on smartphones, televisions, computers and other gadgets, are still being revealed.

But a new study found that light ages us, whether it’s outside on a sunny day or inside in front of a screen, and the damage is much worse than previously thought.

The latest findings, released Wednesday, showed that “excessive exposure to blue light … can have adverse effects on a wide variety of cells in our bodies, from skin and fat cells to sensory neurons,” said scientist Jadwiga Giebultowicz of the Oregon State University on the study. , published in Frontiers in Aging magazine.

“Our study suggests that avoiding excessive blue light exposure may be a good anti-aging strategy,” Giebultowicz added.

Unfortunately, researchers noted that “people in advanced societies are exposed to blue light from LED lighting” — from phones, computers, TVs, and ambient lighting — “for most of their waking hours.”

Aging occurs in different ways, but at the cellular level, we age when cells stop repairing and produce new healthy cells. And cells that don’t function properly are more likely to self-destruct — affecting not just appearance, but the entire body. It’s why the elderly take longer to heal, and their bones and organs begin to deteriorate.

“Our study suggests that avoiding excessive exposure to blue light may be a good anti-aging strategy,” said Oregon State University scientist Jadwiga Giebultowicz.
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The new study identified metabolites as an “essential” indicator of cell function. In their statement, Giebultowicz said the work is “the first” to show that these “signaling” chemicals, which occur naturally during cell metabolism, are significantly “altered” by exposure to blue light. More specifically, they saw that the content of succinate, or succinic acid, in fruit flies increased under excessive blue light, while glutamate decreased.

“High levels of succinate after exposure to blue light can be compared to gas that’s in the pump, but doesn’t get into the car,” explains Giebultowicz. “Another disturbing discovery was that molecules responsible for communication between neurons, such as glutamate, are at a lower level after exposure to blue light.”

Oregon State researchers have previously shown that stress-protective genes peaked in fruit flies exposed to light, while those that stayed in the dark lived longer. It has also been previously stated that “too much screen use has been linked to obesity and mental health problems,” according to a press release, conditions that can lead to premature death.

As for the current study, the insects make a suitable analog for humans because we share the same signaling chemicals in cells, they said.

“People in advanced societies are exposed to blue light through LED lighting for most of their waking hours,” says Giebultowicz. However, the flies were exposed to “a fairly strong blue light,” more intense than what humans regularly endure. “Future research with human cells is needed.”

The Valley Voice
The Valley Voice
Christopher Brito is a social media producer and trending writer for The Valley Voice, with a focus on sports and stories related to race and culture.


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