In Good Shape talks to emergency room doctor and drug researcher, Dr. Andrea Zeuch. She explains the effects of various drugs, as well as the dangers, and discusses the best methods for reducing your risk of addiction

Neurologist Patricia Krause and tai chi instructor Mirko Lorenz explain why movement and exercise helps Parkinson’s patients. What types of movement are best?

Computer and media scientist Alexander Markowetz has been examining the issue of excessive smartphone use. He explains how smartphone addiction starts, what long-term effects it can have and what can be done to counteract them.

Dr. Matthias Blüher talks to In Good Shape about the health risks associated with obesity. He explains which treatments work best and why the causes of obesity include genetic as well as psychological factors.

Dr. Carsten Lekutat talks to renowned psychiatrist and stress researcher Dr. Mazda Adli about the physical and psychological impact of city life. They also look into ways of finding peace and tranquility within urban surroundings.

Microbiologist Andreas Diefenbach talks about new findings on the crucial role the gut microbiome plays in maintaining health and causing sickness. It looks like it is implicated in a whole range of conditions and diseases.

Gynecologist Dr. Mandy Mangler treats women with cancer. She talks about the role of exercise and diet in reducing the risk of developing cancer.

Hubert Ritter performs a kind of manual therapy known as Rolfing that focuses on the fasciae. He says it is effective in treating a number of ailments.

Dr Julia Benckert talks about the different types of hepatitis, diagnosis, and chances of recovery from the illness. She's a senior physician in hepatology and gastroenterology at the Charité University Hospital in Berlin.

Professor Heiko Krude heads Berlin's Charité Hospital Center for Rare Diseases. He speaks with In Good Shape's Dr. Carsten Lekutat about the difficulties patients with rare diseases face, as well as new diagnostic techniques.