Prehistoric societies in the Spanish Levantine mastered climbing and used equipment |

According to a study published in the Cambridge Archaeological Journal, Spanish Levantine rock art provides distinctive visual evidence that indicates how societies in Eastern Spain had developed expertise in climbing…

Culture and Geography Significantly Influence Sleep Patterns

Summary: A new study reveals that culture and geography significantly influence sleep patterns. Using data from Nokia smartwatches, the researchers analyzed 52 million logs over four years from 30,082 individuals…

New opioid use raises death risk 11-fold in those with dementia

Older adults who begin using opioid painkillers after a dementia diagnosis have a significantly greater risk of death—about 11-fold within the first two weeks, according to new research. The risk…

Exercise may or may not help you lose weight and keep it off – here’s the evidence for both sides of the debate

The global fitness industry will generate over US$80 billion in revenue in 2023, estimates suggest. And why not, given the many excellent reasons to exercise? Better cardiovascular health, lower risk…

New genes implicated in deadly heart defect

Credit: Unsplash/CC0 Public Domain By identifying genes in patients and testing their effects in fruit flies, researchers from Sanford Burnham Prebys have found new genes that contribute to hypoplastic left…

Most research on PFAS harms is unpublicized

Credit: Pixabay/CC0 Public Domain Though per- and polyfluoroalkyl substances (PFAS) make headlines daily, a new paper reveals that most studies finding links between PFAS exposure and human health harms are…

Intentions Matter: How Source Intent Influences Perceptions of Truth

Summary: Psychologists revealed people’s judgments of truthfulness are influenced by what they perceive as the information source’s intentions. They found that even when individuals knew the factual accuracy of a…

Scent dogs can detect COVID-19 more rapidly and accurately than current tests, finds review study

(A) Illustration of the three cup sniffing experiment with the first author’s Great Pyrenees (photo credit: Todd Dickey). (B) One of the second author’s COVID-19 scent dogs sniffing a test…

As a summer heat wave pummels the US, an expert warns about the dangers of humidity – particularly for toddlers, young athletes and older adults

Because of climate change, summers are getting hotter and more humid – much more humid. SciLine interviewed Dr. W. Larry Kenney, professor of physiology and kinesiology at Penn State University,…

Understanding ketamine treatment for depression

Credit: Pixabay/CC0 Public Domain Depression has been on the rise in recent years. According to a study in the American Journal of Preventive Medicine, nearly one in 10 adults and…