Blue light -- the kind from your smartphone, tablet, TV, and even energy-efficient light bulbs -- can lead to a range of health issues. Here are a few tips to ward off blue light’s effects.

A 2016 study, looking at the use of tattoos in breast radiotherapy, used a commercially available UV tattoo ink. The dye contained a nontoxic, fluorescent compound called 7-diethylamino-4 ...

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 by LED screens ...

While blue light's presence in our lives is growing — as are concerns about its effects — in general, blue light is not bad for your health. It's ultimately about when you're exposed to it.

The damaging effects of daily, lifelong exposure to the blue light emanating from phones, computers and household fixtures worsen as a person ages, new research by Oregon State University suggests.

Topline A new study concluded that blue light glasses probably have no greater effect on the eyes than non-blue light glasses, contradicting research that says they help with eye strain, sleep ...

When light from a standard projector is shone on material containing the ink, a chemical gradient causes some ink particles to rise to the surface and others to fall. “Like with oil and water ...

To date, the petition has garnered more than 178,000 signatories. Among those sharing the petition was Mario Barth, chief executive of Intenze Tattoo Ink, a Las Vegas-based ink manufacturer.

Several studies have found that pre-sleep exposure to blue light, which is produced by laptop and smartphone screens, can make people less sleepy and affect the quality of their rest.

Online advice around blue light is conflicting. Some sources say it's sure to ruin your sleep, while others say it's not so bad. So, I've dug into studies and reached out to Dr. Michael Gradisar ...