. ♪ >>> to the index and we have learned michael constantine has died, including the overprotective fathergreek wedding." he was 94. >>> when we come back tonight, 20 years of reporting on the children of 9/11, diane sawyer and the remarkable reunion. days a month heae each lasting 4 hours or more, you're not the only one with questions about botox®. botox® prevents headaches in adults with chronic migraine before they even start, with about 10 minutes of treatment once every 3 months. so, ask your doctor if botox® is right for you, and if a sample is available. effects of botox® may spread hours to weeks after injection causing serious symptoms. alert your doctor right away, as difficulty swallowing, speaking, breathing, eye problems, or muscle weakness can be signs of a life-threatening condition. side effects may include allergic reactions, neck and injection site pain, fatigue, and headache. don't receive botox® if there's a skin infection. tell your doctor your medical history, muscle or nerve conditions and medications, including botulinum toxins, as these may increase the risk of se