Ben_1077 Said:
"Health App - peak flow data: I added an incorrect entry to my peak flow data on the health app. How can I delete it? Adding the correct data straight away simply created an average for the day which is wrong. I just want to delete the wrong entry and add the correct data. Thanks!"
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Fixing Health Mishaps:
Sync Health Data Info through iCloud:
Have multiple Apple devices? If so, you can sync this info through iCloud. It will sync automatically, if signed in to the same Apple ID. See if it all then shows up as it should: Use the Health App on your iPhone or iPod touch - Apple Support