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Repellents that contain Deet are safe to use, say scientists who are warning that protection is vital for UK people travelling to tropical destinations, including the World Cup in Brazil.
Deet protects against diseases such as malaria and dengue fever, passed on by mosquitoes and other insects.
Some have been concerned that it could be toxic and pose a risk to health.
But the London School of Hygiene and Tropical Medicine scientists say Deet is "the safest you can get".
They recommend applying repellents containing 20-50% Deet to the skin when in countries with diseases spread by insects.
http://www.bbc.co.uk/news/health-27661871
Deet protects against diseases such as malaria and dengue fever, passed on by mosquitoes and other insects.
Some have been concerned that it could be toxic and pose a risk to health.
But the London School of Hygiene and Tropical Medicine scientists say Deet is "the safest you can get".
They recommend applying repellents containing 20-50% Deet to the skin when in countries with diseases spread by insects.
http://www.bbc.co.uk/news/health-27661871