Passage: Leaving college and working as a theatrical tailor, Kieślowski applied to the Łódź Film School, which has Roman Polanski and Andrzej Wajda among its alumni. He was rejected twice. To avoid compulsory military service during this time, he briefly became an art student, and also went on a drastic diet to make himself medically unfit for service. After several months of avoiding the draft, he was accepted to the school on his third attempt. He attended Łódź Film School from 1964 to 1968, a period with a relatively high degree of artistic freedom. Kieślowski lost his interest in theatre and decided to make documentary films.

Question: How did Roman Polanski avoid being in the armed services?
went on a drastic diet to make himself medically unfit for service