Frequent cannabis use was associated with higher cortisol upon waking, suggesting a possible disruption of daily stress rhythms. The body’s stress system follows a daily rhythm, and frequent cannabis users may begin that cycle differently. Research from Oregon State University found that people who use cannabis often wake with higher cortisol levels than nonusers, pointing [...]

Mot oublié, clés introuvables, rendez-vous qui s'efface… Après 60 ans, ces petits ratés font parfois resurgir une peur sourde : et si c'était le début de la démence ? Bonne nouvelle, une partie du risque se joue dans des gestes parfaitement ordinaires. Voici les sept habitudes du quotidien à...

People under stress may find it harder to orient themselves in space, and researchers in Bochum have identified a possible reason why. The stress hormone cortisol appears to interfere with the brain system that helps people navigate. It weakens the activity of grid cells, which are important for spatial orientation. Researchers at Ruhr University Bochum [...]