"Blue light" has the strongest effect on the body's natural rhythms.
Im not sure if this correct but I hope this helps!
Answer:
I think it is drug use not sure though.
Explanation:
The answer is strength
The strength in each Individuals differ according to :
- The size of their Muscle Cells ( The bigger it is, the more power they can generate)
- And the amount of energy that Muscle Cells can store