Are people with uncontrolled blood pressure advised to avoid high-altitude travel?
Yes, people with uncontrolled blood pressure are advised to avoid high-altitude travel. Reduced oxygen levels can increase cardiovascular strain and worsen blood pressure control.
How altitude affects blood pressure
At higher elevations, the body reacts to lower oxygen by increasing heart rate and blood pressure. For individuals with uncontrolled hypertension, this can place extra stress on the cardiovascular system.
In regions like Hunza or Skardu, rapid ascent can intensify these effects, leading to symptoms such as headache, dizziness, or
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