Impaired Speech, Medication and the Sun, Bladder Cancer, and More

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In Tonic, Dr. Norman Swan leads a team of reporters who cover all aspects of health, from lifestyle to complementary medicines to the most recent medical discoveries. Topics covered in this episode include: *Impaired Speech: People with a stutter find it difficult to communicate, but there is more than just the physical ability to communicate that is part of the stutter. Professor Luc De Nil, a speech pathologist from the University of Toronto explains the underlying psychology of why people suffer from stutters. And as the ability to communicate is something so basically human, we investigate some of the possible paths towards lessening a stutter. *Effectiveness of Medication and the Sun: Prescribed medication isn't always effective, and Professor Erik Eliasson from the Karolinska Institute in Sweden suggests that the weather may be a factor in how medications work. The answer may be in our vitamin D levels, which go up in summer and down in winter.