School shootings are a national crisis. Now, a mom reveals her secret fear: Could her son be the next mass murderer? She speaks out before the next tragedy strikes. Plus, the at-home test to diagnose a sluggish thyroid and the new public health threat affecting millions.

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.

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