Though some say weed can improve mood and energy, there are negative effects on cognitive skills — especially in younger ...

Researchers find marijuana use in teens tied to slower gains in memory, focus, and thinking skills.

A systematic review reveals adolescent cannabis use alters brain structure, elevates addiction risk, and impacts cognitive ...

Adolescence is widely thought to be a time when the brain trims away excess neural connections, refining circuits through synaptic pruning. New research now suggests this view may be incomplete.

The hippocampus follows a "tabula plena" model, starting with dense, random connections that are pruned into an efficient ...

During brain development, neurons can regulate their movement until they reach their final destination thanks to a "molecular ...

The study identifies critical windows of metal exposure via baby teeth, revealing impacts on brain development and behavior ...

A study of more than 11,000 teens finds cannabis use tied to slower gains in memory, focus and thinking speed as well as ...

Scientists mapped human brain development in Down syndrome at a cellular level, discovering that stem cells "rush" to become ...

Clinicians use electroencephalography (EEG) to assess brain activity in epilepsy and sleep pathologies, and this powerful ...

A growing concern from the national capital has put parents on alert about children’s increasing screen exposure. Experts ...

An intermediary thalamic relay station (incoming neurons in red, outgoing neurons in green). (Kuno et al., Cell Rep., 2026) A ...