Scan this barcode to access this page with your mobile phone.

Radioactive plumes from Japan's Fukushima plant are expected to reach the West Coast of the U.S. Health officials insist there's no danger to the U.S. or Pacific territories. Dr. Sanjay Gupta reports.

cbsepisode, cbs, evening, news, cbsjapan, earthquake, tsunami, japan, nuclear, plume, radiation, particles, health, concerns, west, coast, california