21.   Despite that, the government contractor he had worked for denied that Harding was exposed to excessive radiation and denied that his medical problems were caused by radiation.

22.   If the appliances are broken or opened, the radiation released could cause serious harm to people and the surrounding environment.

23.   I have found some verses in the Koran which reveal that HIV and AIDS are caused by radiation.

24.   Scientists in Britain have been debating whether radiation causes childhood leukemia for many years.

25.   Scientists believe too much UV radiation can cause skin cancer and destroy the tiny plants at the beginning of the food chain.

26.   Such radiation can cause sunburn, skin cancer.

27.   Such radiation can cause sunburn and skin cancer, destroy some microscopic organisms and damage some plants.

28.   Space radiation could cause cancer.

29.   That radiation can cause sunburn, skin cancer, destroy some microscopic organisms and damage some plants.

30.   The drug does not protect against other illnesses caused by radiation.