Essential hypertension is mostly due to insulin resistance. The current medical establishment dietary recommendation focuses on reduction in salt. This is important for a subset of patient. I think re...
Also, make sure that her doctors review medications for drivers. Some meds lead to weight gain (several psych meds, anti-seizure meds, corticosteroids). They should also consider causes of “secondary hypertension” such as sleep apnea, cushing syndrome, renal artery stenosis.