(Janice Wood/ PsychCentral) — Chronic insomnia disorder, which affects approximately 10 percent of adults, has a direct negative impact on the cognitive function of people 45 and over, according to a new study.

Chronic insomnia, one of the most common sleep disorders, is characterized by trouble falling asleep or staying asleep at  …

(Robert Sanders/ Futurity) — Scientists inserted a gene for a green-light receptor into the eyes of blind mice and, a month later, the mice were navigating around obstacles as easily as those with no vision problems.

The mice could see motion, brightness changes over a thousandfold range, and fine detail on an iPad sufficient to distinguish  …

(Tauren Dyson/ UPI) — Living a healthy lifestyle may help stave off a person’s likelihood of developing Alzheimer’s disease and other cognitive impairments later in life, according to research and recommendations from global experts.

To reduce the risk of dementia and cognitive decline, new guidelines released by   …