ScienceDaily: Top Science News

Beliefs can regulate effects of nicotine on the human brain Posted: 26 Feb 2015 08:03 AM PST Scientists have discovered that beliefs can regulate the effects of nicotine on the human brain. Two identical cigarettes led to a new discovery. Study participants inhaled nicotine, yet they showed significantly different brain activity. Why the difference? Some subjects were told their cigarettes were nicotine free. This goes beyond he placebo effect, researchers say.

Anesthetics could have long-term impact on children's brains Posted: 26 Feb 2015 07:16 AM PST A group of anesthesiologists and toxicologists today issued a caution to parents and health care professionals about the use of general anesthetics in children.

Evolutionary approach reveals new clues toward understanding the roots of schizophrenia Posted: 24 Feb 2015 07:00 PM PST The very changes specific to human evolution may have come at a cost, contributing to the genetic architecture underlying schizophrenia traits in modern humans, scientists say. Their new evolutionary approach to studying the disease provides new insights into schizophrenia, and genomic targets to prioritize future studies and drug development targets.