Relaxation techniques may help lower high blood pressure – at least in the short term, research suggests.
However, they suggested the quality of the overall evidence is poor and more work is needed.
At least 1.2 billion adults aged 30 to 79 years worldwide have hypertension, according to the World Health Organization. The condition is common, especially in older people, and it often does not have symptoms.

In those under 80, high blood pressure is defined as a reading of 140/90 or higher when checked by a healthcare professional, and 135/85 or higher when checked at home.