In Good Shape talks to dentist Stephan Ziegler about oral hygiene, the causes of dental phobia and how it can be managed.

Sleeping badly over a long period of time can make you sick. What can we do if we have difficulties getting to sleep or staying asleep? We put that question to psychotherapist and sleep specialist Dr. Samia Little Elk.

Prof. Lutz Harms is a neurologist who researches multiple sclerosis at the Charité hospital in Berlin. He talks about current research and options for treatment.