It may seem obvious that a long-haul flight has caused the condition to develop in a passenger on such a flight, but there are other factors that can have an adverse effect on the circulation.
The Preferred WeGoLook service includes the Looker providing his or her general observations about the basic external cosmetic condition of the item (looking for the presence of obvious chips, cracks, dents, etc.) and report those observations to you.
Since the symptoms of primary aldosteronism aren't always obvious, your doctor may be the one to suggest you set up an appointment to get screened for the condition.