[A case of hemichorea with hyperglycemia presenting with low signal intensity in the striatum on T2*-weighted gradient-echo magnetic resonance imaging].

A 76-year-old woman was admitted to our hospital with chorea in her left arm and leg. She also suffered from poorly controlled diabetes. Her arm and leg flexed and shook, and these movements were worsened by stress and disappeared during sleep.

Population-based door-to-door survey of migraine in Japan: the Daisen study.

Objectives: To determine prevalence and characteristics of migraine in Japan, and to investigate use of medical care and whether food preference is associated with risk of migraine.

Methods: Structured questionnaires were given to all adult residents (N = 5758; 2681 men and 3077 women) in Daisen, a rural community in western Japan. Second questionnaires, specific to headache, were given to 1628 residents with headache.

Double-blind crossover study of branched-chain amino acid therapy in patients with spinocerebellar degeneration.

To determine whether treatment with branched-chain amino acids (BCAA) can improve the condition of patients with ataxia, a double-blind crossover study of BCAA therapy was performed in 16 patients with spinocerebellar degeneration (SCD). The patients were treated with BCAA in oral doses of 1.5, 3.