Psychology & Psychiatry

Does the time of year really impact your mood?

When daylight saving time ends in late fall, it is common to start experiencing an onset of mild depressive feelings and tendencies, often coined as "winter blues." Energy levels seem to decrease with the temperature drop, ...

Health

Lasers in toys can cause serious eye damage, FDA warns

(HealthDay)—Lasers in toys can be dangerous to children and those around them, posing the risk of serious eye injuries and even blindness, according to the U.S. Food and Drug Administration.

Health

Want to get rid of that old tattoo? You're not alone

(HealthDay)—It seems that tattoos are everywhere these days, but along with the increase in people getting inked, the number of Americans undergoing procedures to have a tattoo removed is also on the rise, experts say.

Health

Medical myth: Reading from a screen harms your eyes

The time most of us spend looking at a screen has rapidly increased over the past decade. If we're not at work on the computer, we're likely to stay tuned into the online sphere via a smart phone or tablet. Shelves of books ...

Neuroscience

Why animals don't have infrared vision

On rare occasion, the light-sensing photoreceptor cells in the eye misfire and signal to the brain as if they have captured photons, when in reality they haven't. For years this phenomenon remained a mystery. Reporting in ...

Cardiology

Near infrared fluorescence lights up hidden blood clots

Research presented at SNM's 58th Annual Meeting may mark the expansion of a novel imaging agent for an optical technique called near-infrared fluorescence (NIRF), which uses light energy to glean information about cells and ...