Research into mobile phone use and health.
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About the study

COSMOS (“Cohort Study of Mobile Phone Use and Health”) is an international cohort study investigating the possible health effects of long-term use of mobile phones and other wireless technologies.

Mobile phones & health

There is extensive public and scientific interest in the possibility that RF-EMF from mobile phones might increase the risk of disease, results until now are inconclusive.

XMobiSense app

As health researchers, we need to obtain good quality data on how much people use their phones to properly investigate the potential health effects of using mobile phones. XMobiSense is an...



Follow-Up Pilot Study in UK

April 27, 2017

The UK COSMOS team have just completed a pilot study of 3000 participants who were invited to undertake the first COSMOS follow-up.

Follow up questionnaire in NL

June 15, 2016

Currently the follow up questionnaire is conducted in part of the Dutch cohort

New publication on UK COSMOS Study

June 1, 2016

New publication of the UK COSMOS Study entitled "Cohort profile: UK COSMOS—a UK cohort for study of environment and health"

New UK COSMOS publication: "How to Establish and Follow up a Large Prospective Cohort Study in the 21st Century - Lessons from UK COSMOS"

June 1, 2016

Read the new publication of the UK COSMOS study on how to establish and folluw up a large prospective cohort study.

Validation of exposure assessment COSMOS in Finland: a pilot study

March 8, 2011

New COSMOS publication on the validation of exposure assessment and assessment of recruitment methods for a prospective cohort study of mobile phone users (COSMOS) in Finland: a pilot study.

First publication

February 1, 2011

First COSMOS publication entitled "An international prospective cohort study of mobile phone users and health (Cosmos): Design considerations and enrolment" is published in the journal Cancer Epidemiology.