India, July 23 -- British actor Benedict Cumberbatch is no stranger to extreme physical transformations. While promoting his upcoming film The Roses on the Ruthie's Table 4 podcast, the 49-year-old actor candidly discussed the challenges of maintaining the rigorous diet and fitness routine required for his role as Doctor Strange in the Marvel Cinematic Universe - and the broader environmental cost of working in Hollywood.

"For me, the exercise is great. And the end result is that you feel strong and you feel confident - you hold yourself better. You have stamina through the exercise and the food that makes you last through the gig," Benedict said.

However, he admitted that the nutritional demands of such roles take a toll. "But it is ho...