Scientists tested the belief that women are more sensitive to cannabis, and the group that felt it most turned out to be men who rarely use

Many people believe women are more sensitive to cannabis than men, an idea based largely on animal research. Researchers at the UCLA Center for Cannabis and Cannabinoids designed an experiment…

Nov 8, 2026 · 3 min read

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Neuroscience

Kids who ate more ultra-processed food had stronger reward-brain reactions to pictures of cookies and fries, and they gained more body fat a year later

Ultra-processed foods make up about 67% of the calories American children eat. Researchers at the Keck School of Medicine of USC wanted…

3 min read · JAMA Network Open

Psychology

Adults newly diagnosed with autism today look very different on paper than those diagnosed in 2010, a study of 33 million people found

Adult autism diagnoses have risen sharply in many countries over the past 15 years. Researchers in the UK and Sweden went through…

3 min read · BMJ Mental Health

Medical Research & Innovations

Scientists found a blood signature of ultra-processed diets, and it explained about half of their link to heart disease

Ultra-processed food has been linked to heart disease and type 2 diabetes in study after study, but how it does the damage…

3 min read · BMC Medicine

Neuroscience

Doctors still advise healthy people against this Alzheimer’s blood test, even though at its highest levels it predicted a 78% chance of decline in 10 years

Blood tests for Alzheimer’s disease have moved from research labs toward the clinic, and one has already received clearance from US regulators. They measure a protein called p-tau217, which rises…

Nov 1 · 3 min read

Scientists tested the belief that women are more sensitive to cannabis, and the group that felt it most turned out to be men who rarely use

Kids who ate more ultra-processed food had stronger reward-brain reactions to pictures of cookies and fries, and they gained more body fat a year later

Adults newly diagnosed with autism today look very different on paper than those diagnosed in 2010, a study of 33 million people found

Scientists found a blood signature of ultra-processed diets, and it explained about half of their link to heart disease

Doctors still advise healthy people against this Alzheimer’s blood test, even though at its highest levels it predicted a 78% chance of decline in 10 years

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