THE MEDICAL NEWS

Human peripheral nerves have a remarkable ability to regenerate after damage. However, when re-growing axons fail to meet their target organ, they can transform into painful neuromas.

Every day, billions of people scroll through social media posts, online reviews and news feeds filled with emotional content - from glowing five-star reviews to rage-inducing social media rants.

The most comprehensive review to date has identified the most effective bipolar disorder treatments across different age groups and mood phases. It was published today in The BMJ.

Researchers have identified seven proteins in the blood that could enable better blood tests for Alzheimer's disease.

The brain's immune cells are increasingly recognized as key players in Alzheimer's disease, but exactly how they change as the disease develops has remained unclear.

Light therapy may improve alertness and attention/reaction time during simulated night shifts, with the strongest benefits appearing after light exposure. Effects on executive function were smaller and largely limited to treatment, while substantial study heterogeneity and limited real-world evidence warrant caution.

A Western dietary pattern was associated with faster attention decline among older adults carrying the APOE ε4 allele, while no significant cognitive associations emerged for a Prudent dietary pattern. However, the Western diet association lost statistical significance after excluding participants with possible baseline cognitive impairment, making the finding exploratory.