Migraines 'mean less cancer risk'

Women who suffer regular migraines may have the comfort of knowing they face a much lower risk of breast cancer, say US researchers.

The discovery points to the potential importance of hormone levels in both.

The study of 3,412 women suggests a 30% lower risk for people with a history of disabling headaches.

However, the researchers, from the Fred Hutchinson Cancer Research Center in Seattle, warned more work was needed to confirm the link.