Even 1,000 to 2,000 more daily steps were linked to better adolescent mental health and brain structure in an observational study, with no plateau across measured activity levels. Walking to school or chasing a ball around a park adds to adolescents’ daily movement in ways that may be connected to their mental health a year […]
Just 1,000 More Steps a Day Linked to Better Mental Health in Teens
Even 1,000 to 2,000 more daily steps were linked to better adolescent mental health and brain structure in an observational study, with no plateau across measured activity levels. Walking to school or chasing a ball around a park adds to adolescents’ daily movement in ways that may be connected to their mental health a year […]
Scientists Find a Surprising Blood Sugar Benefit to Eating With a Loved One
Eating a carbohydrate meal with a companion led to smaller blood sugar spikes and faster recovery than eating alone, suggesting a metabolic benefit to sharing the table. When managing blood sugar, people often focus on the carbohydrates on their plates. The body’s response to a meal may also depend on who is sitting at the […]
Why Too Much Cannabis Can Flip an Anxiety Switch in the Brain
For the first time, researchers have identified brain cells that help drive anxiety in mice exposed to cannabinoids. Confronted with a scent derived from fox urine, mice given a synthetic cannabinoid froze more often and spent less time investigating the odor than mice given a placebo. The drug belongs to the same class of substances […]
Why Too Much Cannabis Can Flip an Anxiety Switch in the Brain
For the first time, researchers have identified brain cells that help drive anxiety in mice exposed to cannabinoids. Confronted with a scent derived from fox urine, mice given a synthetic cannabinoid froze more often and spent less time investigating the odor than mice given a placebo. The drug belongs to the same class of substances […]
Scientists Uncover Two Hidden Forms of Disorder in Next-Generation Semiconductors
A study of twisted two-dimensional semiconductors reveals how subtle material disorder can emerge at different spatial scales. Two distinct forms of hidden disorder may influence how ultrathin semiconductors emit light. One extends across relatively large areas of the material, while the other is concentrated around tiny defects. A new theoretical approach offers a way to […]
Scientists Uncover Two Hidden Forms of Disorder in Next-Generation Semiconductors
A study of twisted two-dimensional semiconductors reveals how subtle material disorder can emerge at different spatial scales. Two distinct forms of hidden disorder may influence how ultrathin semiconductors emit light. One extends across relatively large areas of the material, while the other is concentrated around tiny defects. A new theoretical approach offers a way to […]
Scientists Discover That Chimpanzees Treat Friends by Different Rules
A controlled experiment with chimpanzees reveals that friendship can subtly change how individuals treat one another during conflict. Chimpanzees appear to treat close companions differently even when food is at stake. In a controlled experiment, researchers found that the animals were less likely to steal pineapple from strongly bonded partners than from chimps with whom […]
Pizza, Processed Meat, and Sweets Linked to Faster Cognitive Decline in Some Older Adults
A common Alzheimer’s risk gene may make the brain more vulnerable to a diet heavy in pizza, processed meat, and sweets. Researchers led by Murdoch University and Alzheimer’s Research Australia followed 185 older adults in Perth for more than seven years. They found that participants who carried the APOE ε4 allele and ate more Western-style […]
Pizza, Processed Meat, and Sweets Linked to Faster Cognitive Decline in Some Older Adults
A common Alzheimer’s risk gene may make the brain more vulnerable to a diet heavy in pizza, processed meat, and sweets. Researchers led by Murdoch University and Alzheimer’s Research Australia followed 185 older adults in Perth for more than seven years. They found that participants who carried the APOE ε4 allele and ate more Western-style […]