Yes it does but is dangerous
Creatine kinase (CK) is an enzyme found in the heart, brain, skeletal muscle, and other tissues. Increased amounts of CK are released into the blood when there is muscle damage. This test measures the amount of creatine kinase in the blood.
You’ll find someone, it looks like you’re still in secondary school, you have plenty of time, don’t try and rush it :)
The parents don’t pay close enough attention and/or they think that the current is fine when it’s way too strong and takes the child under before the parent can comprehend what happened.