Large study links rosacea to dementia risk

Rosacea is associated with an increased risk of neurological disorders such as Alzheimer’s disease and dementia, according to a large population study.

Danish researchers studied nearly 5.6 million adults between 1997 and 2012 and found those with rosacea had a 25% increased risk of Alzheimer’s disease and a 7% increased risk of dementia compared with those who did not have the skin complaint.

A total of 99,040 people developed dementia over the six-year period, of which 29,193 were diagnosed with Alzheimer’s disease. There were 82,439 who had rosacea.

Rosacea sufferers aged 60 years and