Researchers found a cellular signaling system that responds to THC and anandamide regulates sperm functions required for fertilization in humans. Heavy marijuana users may jeopardize fertility by overloading this natural signaling system.
Researchers found a way to prevent infectious malaria particles from bursting out of their protective sacs by blocking the activity of a protein-snipping enzyme called protease. This discovery suggests that protease inhibitors could be used to treat malaria infection and keep the infectious particles imprisoned until they deteriorate.
Researchers have discovered a new family of anti-viral compounds, guanidinoglycosides, that target the genetic structure of HIV essential to its replication. These compounds aim to prevent HIV from forming and spreading throughout the body by targeting the 'Rev' protein responsible for producing and spreading infected cells.
A University of Toronto professor's comprehensive review of research on media violence reveals no link between watching violent shows and aggressive behavior. The majority of studies found little to no evidence of a correlation between media violence exposure and increased violence in viewers.
A study by University of Toronto researchers found no rape charges involving drinks laced with club drugs on two Ontario campuses. The focus on date rape drugs distracts from real problems that lead to sexual assaults involving alcohol.
Perfectionists experience anxiety and depression when minor hassles pile up during the holidays. To mitigate this, Blankstein suggests planning ahead, involving others in tasks, and accepting help from loved ones. His study based on 443 university students provides valuable insights into perfectionism's impact on mental health.
A home-based primary care intervention program by the Department of Veterans Affairs significantly improved health-related quality of life and satisfaction for patients and their caregivers. The study found that Team-Managed Home-Based Primary Care (TM/HBPC) improved HR-QoL scales, caregiver outcomes, and reduced hospital readmissions.
Researchers compared whole genome activity in trisomy mice brains to normal mice detecting 25,000 genes active, with altered protein manufacturing found in trisomy mice. This study provides a preliminary look at how the whole genome operates in the brain and suggests protein manufacturing could be altered in Down syndrome patients.
A study published in Neurology found that long-term scuba diving has no effect on brain function or structure. The researchers tested 24 professional divers and 24 non-divers and found no significant differences in cognitive function or brain imaging.
Researchers have discovered evidence of agriculture dating back 1,400 years to the Princess Point people in southwestern Ontario. Well-preserved remnants of these ancient corn crops can still be found in the area, providing valuable insights into the transition from a hunting and gathering society to an agricultural one.
A large-scale study has found lamotrigine to be safe and effective in preventing episodes of mood swings in patients with rapid-cycling bipolar disorder. The study, published in Journal of Clinical Psychiatry, showed that 41% of patients who received lamotrigine remained stable without relapse for six months, compared to 26% on placebo.
The complete genome sequence of Arabidopsis thaliana reveals clues to genetic behavior in plants and animals, with potential applications for agriculture and medicine. The public domain genome catalog provides a resource for scientists worldwide.
The study found that the VA home care model significantly improved health-related quality of life and caregiver satisfaction compared to private-sector home care. Terminally ill patients scored higher on several quality-of-life measures, while non-terminally ill patients showed significant increases in satisfaction with care.
A recent survey of high school athletes found that most users rely on friends for information, take unknown dosages, and experience minor side effects. The Mayo Clinic authors stress the need for larger studies to understand the long-term effects of creatine supplementation in this age group.
Researchers developed a new film that doubles its sensitivity to light without sacrificing picture quality. This technology enables higher-quality photos in low-light conditions and clearer enlargements.
Phosphorus is essential for life as a building block of nucleic acids and energy transfer molecules. New technologies help scientists study phosphorus cycling in soil, sea, and living organisms to better understand its role in the Earth system.