What is the hardest subject to do a PhD in?

Determining the hardest subject for a PhD can vary by individual, but many experts consider fields like engineering, physics, and mathematics among the most challenging due to their complex theories and extensive research requirements. Subjects that require advanced statistical analysis, such as economics or psychology, can also be daunting. Completing a PhD necessitates a deep understanding of intricate concepts, rigorous research, and a commitment to producing original work. For those struggling with the demands of their chosen field, seeking PhD dissertation help can provide valuable guidance and support, making the journey through the rigorous academic landscape more manageable.