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Story perspectives

Apple Watch Detects AFib; Saline Sprays Aid Sleep Apnea

1/31/2026

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Summary

Story summary

Two studies show Apple Watch use detects AFib, with 9.6% of users versus 2.3% in controls.
In a second study, Apple Watch users experienced fewer unplanned hospitalizations after catheter ablation.
In an Australian study, nasal saline sprays prove as effective as steroid sprays for pediatric obstructive sleep apnea, with about 30% improving and similar resolution in both groups.
Saline sprays offer a safe, accessible option before surgery.

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Story summary

Two studies show Apple Watch use detects AFib, with 9.6% of users versus 2.3% in controls.
In a second study, Apple Watch users experienced fewer unplanned hospitalizations after catheter ablation.
In an Australian study, nasal saline sprays prove as effective as steroid sprays for pediatric obstructive sleep apnea, with about 30% improving and similar resolution in both groups.
Saline sprays offer a safe, accessible option before surgery.