In order to match the imag eof the character he is playing in JTBC drama Padam Padam, actor Kim Bum had lost weight of 11kg through excessive exercising and body management, which led to physical health problems.

An official of Kim Bum’s agency confirmed, “Kim Bum is suffering from side effect of osteoarthritis of the knee because of the sudden and violent reduction of 11kg.”

Moreover, in 2009, Kim Bum used to suffer from mild waist injury because of a traffic accident, and now he has to endure the pain of degenerative arthritis. At such a young age, he is really letting his fans worried.