In males, sun exposure activates the p53 protein which signals to the body to produce the appetite-associated ghrelin hormone. In women, estrogen blocks the interaction between p53 and ghrelin, reducing the urge to eat following sun exposure.
Study reveals the extinction of larger animals led to an increase in the volume of the human brain, and ultimately the development of language in early humans.
The brain's reward system plays a key role in helping behaviors and empathy.
During sleep, the brain analyzes auditory input but is unable to focus on the sound or identify the noise; therefore no conscious awareness of the stimuli occurs.
Exposure to ultraviolet radiation type B increases levels of romantic passion in both men and women. The study reveals sunlight exposure affects the regulation of the endocrine system responsible for the release of sexual hormones in humans.
A new technology that measures the movement of facial muscles is 73% accurate at detecting when a person is telling a lie.
Researchers have successfully replicated an entire, viable glioblastoma brain tumor via 3D bioprinting. The bioprinted tumor includes a complex system of blood vessel-like tubes through which blood cells and drug molecules can flow, simulating a real tumor.
Researchers engineered functional human spinal cord tissue from cells and human materials which, when implanted into animal models of spinal cord injury, restored walking ability in 80% of the test subjects.
Researchers have identified a mechanism shared by mutations in the SHANK3 and ADNP genes. The genes have been associated with the development of ASD and schizophrenia.
A simple saliva test that analyzes microbial distribution may accurately be used to diagnose PTSD in people, a new study reports.
Bats map the world in units of time, unlike humans who map the world in units of distance.
Men who complain of dissatisfaction in their marriages are at increased risk of premature death associated with cardiovascular events, a new study reports.
