MEDICINE & HEALTH

HHS releases 13th Report on Carcinogens

Four substances have been added in the U.S. Department of Health and Human Services 13th Report on Carcinogens, a science-based document that identifies chemical, biological, and physical agents that are considered cancer hazards for people living in the United States. The new report includes 243 listings.

Marijuana use associated with lower death rates in patients with traumatic brain injuries

LA BioMed researchers surveyed emergency patients tested for THC levels LA BioMed researchers surveyed emergency patients tested for THC levels Surveying patients with traumatic brain injuries, a group of Los Angeles Biomedical Research Institute (LA BioMed) researchers reported today that they found those who tested positive for THC, the active ingredient in marijuana, were more likely to survive than those who tested negative for the illicit substance.

Sense of invalidation uniquely risky for troubled teens

A study of 99 teens hospitalized out of concern about suicide risk found that a high perception of family invalidation - or lack of acceptance - predicted future suicide events among boys, and peer invalidation predicted future self harm, such as cutting, among the teens in general.

A discovery could prevent the development of brain tumours in children

Researchers at the IRCM show that a protein called Sonic Hedgehog causes DNA damage Researchers at the IRCM show that a protein called Sonic Hedgehog causes DNA damage Scientists at the IRCM discovered a mechanism that promotes the progression of medulloblastoma, the most common brain tumour found in children.

Making oxygen before life

About one-fifth of the Earth's atmosphere is oxygen, pumped out by green plants as a result of photosynthesis and used by most living things on the planet to keep our metabolisms running. But before the first photosynthesizing organisms appeared about 2.4 billion years ago, the atmosphere likely contained mostly carbon dioxide, as is the case today on Mars and Venus.

On the Verge of Antimatter—Superconducting Iron Reveals ‘Majorana Particles’

For more than 80 years, physicists have sought out the truth behind one of the most contended theoretical phenomena, known simply as “Majorana particles”. And now with some superconducting iron particles, researchers from Princeton University believe that they have found the particles that at one are both matter and the elusive antimatter.

New study shows that yoga and meditation may help train the brain

Yoga and meditation boost brain power to control a computer. Yoga and meditation boost brain power to control a computer. New research by biomedical engineers at the University of Minnesota shows that people who practice yoga and meditation long term can learn to control a computer with their minds faster and better than people with little or no yoga or meditation experience.

Vitamin D significantly improves symptoms of winter-related atopic dermatitis in children

A study conducted in more than 100 Mongolian schoolchildren found that daily treatment with a vitamin D supplement significantly reduced the symptoms of winter-related atopic dermatitis, a type of eczema. Led by a Massachusetts General Hospital (MGH) physician, the report in the October issue of the Journal of Allergy and Clinical Immunology supports the results of a preliminary study that showed similar results in a small group of children in Boston.

A family meal a day may keep obesity away

Increasing rates of adolescent obesity and the likelihood that obesity will carry forward into adulthood, have led to various preventive initiatives. It has been suggested that family meals, which tend to include fruits, vegetables, calcium, and whole grains, could be protective against obesity. In a new study scheduled for publication in the Journal of Pediatrics, researchers studied whether frequent family meals during adolescence were protective for overweight and obesity in adulthood.
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