Peter here applies the words morally: by Christ’s wounds we have been ‘healed’ from sin.
According the , we are all suffering the consequences of the fall
2Peter 2.24
Bad News
Due to the fall of Adam, all man was born into sin. Our sinful nature has all us hell-bound. We need a savior. No man can save himself through any good works or deeds.
Good News
John 3:16 CSB
For God loved the world in this way: He gave his one and only Son, so that everyone who believes in him will not perish but have eternal life.