Benefits

Like all sports, lacrosse has many health benefits. As a result of playing lacrosse you can certainly increase your endurance due to have to run constantly on a field. Again, like most sports, you will become stronger and fast by playing it.
The mental benefits are that while playing your body releases Neurotransmitters and Endorphins.  Those are chemicals that your brain produces and it causes happiness and enjoyment. since your brain produces these chemicals, playing lacrosse can help reduce stress from school and helps reduce anxiety.