Please choose the correct ending to complete the given sentence: Health: [header] How to diagnose peripheral artery disease [title] Pay attention to limb pain and numbness. [step] Many people will assume that pain in the legs is a normal part of aging. However, it is not normal and can be a sign that you have peripheral artery disease.

Ending1: [substeps] Stiffness in the joints and/or a lack of blood supply to the joints can also be the signs of peripheral artery disease. Severe fluid build-up may be the main symptom, but even then neck injuries, muscle weakness and constipation may also be signs of peripheral artery disease. Ending2: Consider first what type of limb pain you have and try to identify what is causing it. [substeps] Side effects of the disease often form as weakness and swelling, memory difficulties or brain damage. Ending3: [substeps] Not everyone develops peripheral artery disease perfectly naturally. If your child is the only one with development, much of their limb loss could be because they are getting the disease from eating the wrong foods or from being left untreated. Ending4: Pay particular attention to pain and muscle cramping in the legs and hips while walking, exercising, or climbing stairs. [substeps] Muscles in action need more blood flow than muscles at rest.

Answer format: ending1/ending2/ending3/ending4