Original sentence: For example, as the rules concerning blood transfusions have changed, articles in Awake magazine have changed from stating that the use of blood serums are "a matter that must be decided by each person according to his conscience" to stating that "true Christians do not use this potentially dangerous treatment, heeding the Bible's command to 'abstain from blood'"
Edited sentence: For example, as the rules concerning blood transfusions have changed as medical usage of blood has changed, articles in Awake magazine have changed from stating that the use of blood serums are "a matter that must be decided by each person according to his conscience" to stating that "true Christians do not use this potentially dangerous treatment, heeding the Bible's command to 'abstain from blood'".Thus Awake.has kept pace with advances in medicine and respected each individuals' personal conscience whilst directing attention to Biblical principals