'Cancers in the head and the neck are increasing in Sweden according to the latest cancer incidence data from the Swedish Cancer Registry. Cancers in the thyroid and the mouth are among the cancers that have seen the sharpest rise during the last decade but also the trend for cancers of the pituitary are on the rise. Among men aged 50 -79 years malignant brain tumours, grade 3-4 are also increasing visibly. The increase of these cancers has coincided with increasing use of mobile phones during the same time period while the increasing trend of malignant brain tumours, gliomas, might be an effect of long term use of mobile phones.'
You can read more and see the data here.