Health

Blue light at night increases the consumption of sweets in rats

A new study demonstrates that just one hour of exposure to blue light at night—the kind of light produced by the screens of many devices—raises blood sugar levels and increases sugar consumption in male rats. This study, ...

Health

Innovative approach to lighting set to improve sleep quality

New Australian research by the Cooperative Research Centre for Alertness, Safety and Productivity (Alertness CRC) reveals blue light may be even more important than previously thought. The work points to the amount of blue ...

Oncology & Cancer

Drug-light combo could offer control over CAR T-cell therapy

Bioengineers at the University of California San Diego are a step closer to making CAR T-cell therapy safer, more precise and easy to control. They developed a system that allows them to select where and when CAR T cells ...

Health

Aging eyes linked to sleepless nights, new study shows

A natural yellowing of the eye lens that absorbs blue light has been linked to sleep disorders in a group of test volunteers, according to a study in the September 1 issue of the journal Sleep. As this type of lens discoloration ...

Neuroscience

Novel technique helps explain why bright light keeps us awake

In recent decades, scientists have learned a great deal about how different neurons connect and send signals to each other. But it's been difficult to trace the activity of individual nerve fibers known as axons, some of ...

Oncology & Cancer

How to do a skin cancer body check

(HealthDay)—Every year, about 5 million Americans are treated for skin cancer—an abnormal growth of skin cells that most often develops on areas exposed to the sun.

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