All your blood pressure questions, answered by a doctor

About a third of Australian adults are believed to have high blood pressure.

That means their cardiovascular system is constantly burdened by extra stress, putting them at a higher risk of a heart attack, stroke or kidney disease.

Known to doctors as hypertension, high blood pressure often has no symptoms — which is why it's known as the "silent killer".

In this Expert Guides video, Sydney GP Dr Brad McKay answers some of the big questions about blood pressure:

• The easiest way to get your blood pressure checked — and to interpret the results
• Some of the natural methods to lower blood pressure, without relying on medication
• How often you should get a blood pressure test