Historically people have seen flat feet as a problem in themselves, however the evidence does not support this. All types of foot structure can lead to problems and pain. Flat feet can occur as a result of arthritis or tendon dysfunction and a progressing flatfoot is something that should never be ignored and requires treatment.
Bunion is actually Latin for Turnip and reality is a lump. That lump can be due to arthritic changes or due to a joint being out of alignment. The treatment depends very much on what your symptoms are and what your lifestyle requirements are. There are many, many myths about bunions book a consultation and lets discuss this further.