In particular, low-status individuals showed high levels of activity in genes associated with the production of various immune-related cells and chemical signalling factors, as well as those to do with inflammation (a general immune response that involves tissue swelling and increased immune-cell activity in the affected area).

ECONOMIST: Social status and health

The effect of increased brain activity in children because of cell phone radiation is another area yet to be studied.

CNN: Cell phone exposure increases brain cell activity

The findings of the study, which examined the subjects during just one 50-minute exposure, raise a key question, the researchers said: What, if any, are the long-term consequences of repeated increased brain activity due to exposure to cell phone radiation?

CNN: Cell phone exposure increases brain cell activity