Dr. Sanjay Gupta : 3 teachers at Malibu High School have been diagnosed with thyroid cancer in last 6 months . 21 teachers said they have some health problems they believe may be caused by their school . Police have brought in environmental firm to run tests on buildings and surrounding areas .
3 teachers at Malibu High School have been diagnosed with thyroid cancer in last 6 months . 21 teachers said they have some health problems they believe may be caused by their school . Police have brought in environmental firm to run tests on buildings and surrounding areas .