Apple’s groundbreaking hypertension notifications feature is now available on Apple Watch in Australia, in Malaysia, Colombia, Indonesia, South Korea, Brazil, and Turkey. Apple on Wednesday announced that hypertension notifications are now available on Apple Watch and iPhone in Australia, marking a significant expansion of the company’s health-focused features. The new feature, introduced with recent software updates, uses the Apple Watch’s optical heart sensor to passively analyze how users’ blood vessels respond to heartbeats. Over 30-day periods, an advanced algorithm reviews the data in the background and alerts users if it detects consistent signs of chronic high blood pressure, also known as hypertension. This condition is a leading modifiable risk factor for heart attack, stroke, and kidney disease, affecting roughly 1.4…