It causes breathing problems, cancers, organ damage, changes your appearance for the worst, it smells bad, some of your friends may not want to be around you as much if they can't stand the smoke (like asthmatics), it can kill you, leaves a bad taste in your mouth, it costs a lot of money long term, and it is an addiction that is very hard to get rid of. The worst part is that you can also injure those around you in the same way with secondhand smoking.
Height I believe is the correct answer
Answer:
Here are some benefits of biomechanics ;
Increased movement speed (running, swimming, etc.)
More power (jumping, hitting, lifting, etc.)
Energy conservation through economy of movement.
Helps eliminate muscle imbalances.
Reduces wear and tear on joints and ligaments.
Improved sport specific form and technique.
Hope it helps :)