Dr. Uwe Reuter discusses the causes and treatments for headaches. He's a pain specialist at Berlin's Charité University Hospital.

Dr. Christian Kessler is an internist and an Ayurveda expert. He talks about Ayurveda's range of applications, his experiences with it, and types of therapies.

Dr Ole Wichmann talks about which vaccinations you need to stay healthy. He heads the immunization unit at the Robert Koch Institute in Berlin.

Dr. Masyar Rahmanzadeh talks about the possibility of operating to correct bunions. He's an orthopedist and surgeon who specializes in operations to treat degenerative diseases of the feet, legs and hips.

How do treatments with Botox, hyaluronic acid and fat transfers work? Do they really make you look younger and more beautiful? If so, how long do they last and what are the risks?

Dr. Andreas Pfeiffer is the head of Clinical Nutrition at the German Institute of Human Nutrition (DIfE). He's also the director of the endocrinology, diabetes and nutritional medicine department at the Charité University Hospital in Berlin.

Clinical radiologist Thomas Albrecht speaks with us about imaging procedures such as CT scans. What are the radiation risks associated with diagnostic imaging? And why can’t such imaging procedures replace the trained eye of the physician?

Dr. Martina Dombrowski talks about early detection and the chances of recovering from breast cancer. She heads the Breast Center at the Waldkrankenhaus Protestant Hospital in Berlin-Spandau.

We asked hair transplant specialist Reza Azar how hair loss can be treated and how a hair transplant is done.

Dr. Jürgen Homberger speaks about diabetes and the role of food and leading an active lifestyle. He's a specialist doctor for internal medicine, and Medical Director at the Rehazentrum Westend Clinic in Berlin.