HEART RATE

This study tested whether a 10-day smartphone app-based mindfulness program can improve sleep and reduce stress in healthy adults. 91 participants were randomly assigned to either a daily 10-minute guided mindfulness session or a waitlist. All wore an Ōura Ring to track sleep and…

This study tested whether adding acupuncture to standard recovery care helps the digestive system recover faster after colon cancer surgery. 70 patients were split into two groups: one received standard care alone, the other also got acupuncture sessions twice a day for three day…

This study looked at whether a technique called ischemic preconditioning (briefly restricting blood flow to the arm) can lower the heart's workload after resistance exercise in women aged 60 and older. Thirty physically active older women did two exercise sessions—one with the re…

This study tested a software that measures heart rate, breathing rate, and blood pressure just by analyzing a video of your face. 132 adults participated to see how accurate the software is compared to standard medical devices like ECG and blood pressure cuffs. The goal is to mak…

This study looked at whether painting roofs with a special reflective coating (cool roofs) can improve health in Niue, where temperatures are rising. 187 adults wore smartwatches to track their heart rate, sleep, and physical activity. The goal was to see if cooler homes help peo…

This study tested whether using an indoor air purifier changes health measures like heart rate, sleep, and blood oxygen. 42 healthy adults wore Apple Watches while using a real air purifier and a fake one (placebo). The goal was to see if cleaner air makes a short-term difference…

This study looked at how nicotine pouches affect heart rate and the heart's electrical signals (ECG) in 20 adults who already use nicotine. Participants received different doses of nicotine pouches or a placebo, and their heart activity was measured. The goal was to see if nicoti…

This study looked at how different amounts of gentle, painless neck movements (called mechanical vagus nerve stimulation) affect heart rate, balance, pain sensitivity, and digestion in 128 healthy adults aged 18–60. Researchers measured heart rate, balance, and pain responses bef…