What negative health consequence can arise from excess weight in this breed mix?

Answer

Strain on joints and exacerbation of hip/elbow issues

Excess weight puts enormous strain on the joints, exacerbates hip or elbow issues, and can contribute to heart and respiratory problems, significantly cutting short a dog's life.

What negative health consequence can arise from excess weight in this breed mix?
animalDoglifespanbreedSiberian Retriever