New Alzheimer’s drugs give patients more independent months

"What people want to know is how long they will be able to live independently, not something abstract like the percent change in decline."

Nerve stimulation treats severe depression

Nasal vaccines may be key to stopping COVID spread

A new study in hamsters indicates vaccines targeting the nose and mouth may be key to controlling spread of respiratory infections like COVID.

‘Magic mushrooms’ work by scrambling key brain network

Mushrooms that contain psilocybin generate psychedelic experiences by disrupting a critical network of brain areas involved in introspective thinking.

Cannabis use tied to greater risk of severe COVID

People with COVID-19 who used cannabis were more likely to be hospitalized and require intensive care than those who did not use the drug.

Can a drug that prevents brain cancer in mice work for kids?

New research lays groundwork for clinical trial aimed at preventing brain cancer in children with NF1 with an epilepsy drug.

AI may cut mammogram false positives without missing cancer

Using AI to help doctors read mammograms may reduce false positives in testing without missing breast cancer cases, a new study shows.

Alzheimer’s blood test could replace spinal taps and brain scans

A simple blood test to diagnose Alzheimer's disease could make early diagnosis and treatment accessible to more people.

Smoking shrinks your brain

Smoking shrinks the size of your brain. Quitting smoking prevents further loss of tissue, but can't restore the brain to its original size.

Breast density changes may flag risk of cancer

Repeated mammograms that show changes in breast density over time could help identify women at high risk of breast cancer.

Stress raises Alzheimer’s risk in female mice but not males

Stress increases the risk of Alzheimer's disease in female mice, but not in males, according to a new study.

Could sleeping pills slow or stop Alzheimer’s?

Sleeping pills cut levels of Alzheimer's proteins, a small study found. But more work is needed to see if it can prevent or slow the disease.