Tuesday, March 21, 2023

Play

Texas lawmakers consider legislation to prevent cities from self-governance, Connecticut considers policy options to alleviate an eviction crisis, and Ohio residents await community water systems.

Play

Gov. Ron DeSantis breaks his silence on Trump's potential indictment and attacks Manhattan prosecutors, President Biden vetoes his first bill to protect socially conscious retirement investing, and the Supreme Court hears a case on Native American water rights.

Play

The 41st state has opted into Medicaid which could be a lifeline for rural hospitals in North Carolina, homelessness barely rose in the past two years but the work required to hold the numbers increased, and destruction of the "Sagebrush Sea" from Oregon to Wyoming is putting protection efforts for an itty-bitty bunny on the map.

Blue Light Exposure: Understanding the Risks

Play

Wednesday, February 1, 2023   

With the increasing use of digital devices and computers in daily life, we're all exposed to more and more blue light. They may be convenient and help us stay connected, but prolonged exposure could pose real health risks.

One of those risks is interfering with the body's circadian rhythm, the "internal clock" which regulates a person's sleep cycle. Throwing it off can cause insomnia, headaches and eye strain.

Dr. Joseph Nezgoda, president of the Florida Society of Ophthalmology, said it does not mean a person should completely block out blue light, because a broad spectrum of light is needed throughout the day. But it is important to manage exposure.

"Individuals are just usually on their devices much longer and later than usual," Nezgoda pointed out. "Potentially during those times, it may be good to limit the exposure. Again, there's been convincing data in animal models, but in humans, the jury's still out."

One tip is scheduling an eye exam, others include taking breaks around every 20 minutes from digital screens, by looking at something else at least 20 feet away for 20 seconds. And of course, limit screen times before bed.

Dr. Scott Edmonds, chief eye care officer for UnitedHealthcare Vision, said eye specialists became concerned during the pandemic about blue-light exposure as more people started using digital devices for longer time periods at home. He worries soon, some of the same concerns will surface about blue light that happened with ultraviolet light.

"The photo receptors can certainly process blue light, but it puts a lot of strain on them," Edmonds noted. "We're concerned that over time, the retina will become damaged, and we'll start to see age-related macular degeneration from this, like we did with UV light."

In addition to taking screen breaks, eye-care professionals recommend making sure your computer screens are clear and clean, as researchers continue to study potential dangers.

Disclosure: UnitedHealthcare contributes to our fund for reporting on Health Issues. If you would like to help support news in the public interest, click here.


get more stories like this via email
The VOTES Act also ensures the Commonwealth joins the Electronic Registration Information Center, or ERIC, a multi-state consortium which aims to keep voter registration rolls up to date, encourage voter registration and prevent voter fraud. (Adobe Stock)

Social Issues

Voting rights advocates in Massachusetts are applauding Governor Maura Healey's budgetary backing of new policies stemming from last year's passage of…


Environment

Climate-change groups are calling attention to the environmental destruction linked to the wood pellet industry - even as California is considering a …

Social Issues

Many Nebraskans know how crucial a family caregiver is to one of their family members. Now AARP research has put a dollar value on that unpaid care - …


Going back generations, many Indigenous cultures developed strong ties with bison and relied upon them for sustenance, shelter, and cultural and religious practices. (Adobe Stock)

Social Issues

South Dakota is home to one of the nation's largest American Indian reservations, and the area is part of a movement among tribal nations to take …

Environment

With the cost of farmland up by more than 8% percent in North Carolina, the state's Black farmers are struggling to purchase additional acreage or …

Garrett Betts inspects his 275-gallon tank and trailer setup. Before Garrett built the trailer, he was hauling water with the tank in the bed of his truck.(Photo by Zachary Shephard)

Environment

By Zachary Shepherd and Kelsey Paulus for Kent State News Lab.Broadcast version by Nadia Ramlagan reporting for the Kent State-Ohio News Connection Co…

Social Issues

Republican-sponsored bills and amendments in the Legislature would eliminate the Tennessee Commission on Children and Youth. More than 1.5-million …

Social Issues

Texas' GOP-dominated legislature is considering bills to flip the script on powers traditionally afforded home-rule cities, instead forcing them to …

 

Phone: 303.448.9105 Toll Free: 888.891.9416 Fax: 208.247.1830 Your trusted member- and audience-supported news source since 1996 Copyright 2021