Study questions benefit of folic acid (vitamin B9) supplementation in reducing suicides
Reports and Proceedings
Updates every hour. Last Updated: 20-Oct-2026 06:16 ET (20-Oct-2026 10:16 GMT/UTC)
For the first time, researchers have shown that ketamine activates two separate mechanisms in the brain, one for pain relief and another for altering the state of consciousness.
The findings may help in developing treatments that provide the benefits of ketamine while reducing its psychological side effects.
Intensive breathing exercises can reduce blood flow to the brain by up to 45% and alter communication between brain networks, according to a new brain-imaging study. Participants reported experiences resembling some effects of psychedelic drugs, including altered perception, vivid mental imagery, a sense of unity and changes in self-experience. The researchers, presenting the work at the ECNP Congress in Munich (following recent publication), say changes in brain communication, rather than reduced blood flow alone, appear to be key to the altered state.
: A common blood test already carried out during routine health checks may contain clues about a person’s long-term risk of dementia, according to research being presented at the ECNP Congress in Munich and recently published in the Journal of Alzheimer’s Disease.