Before breakfast, you may already have checked your sleep score, resting heart rate or blood oxygen level. By bedtime, you might look at your step count, stress score or even an estimate of your biological age. For millions of people, keeping tabs on health and wellbeing has become almost as routine as checking the weather.
Tests and measurements that once meant a trip to the doctor can now be done at home using smartwatches, phone apps and self-testing kits. And our latest research suggests that this trend is likely to continue.
