( It ( ( ( can also ) ( help ( ( ( prevent ( ( accidents and ) injuries ) ) and ) ( ( speed recovery ) ( when ( injuries ( do occur ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (MD can) (ADVP (RB also)) (VP (VB help) (VP (VP (VB prevent) (NP (NNS accidents) (CC and) (NNS injuries))) (CC and) (VP (VB speed) (NP (NN recovery)) (SBAR (WHADVP (WRB when)) (S (NP (NNS injuries)) (VP (VBP do) (VP (VB occur))))))))) (. .)))
It can also help prevent accidents and injuries and speed recovery when injuries do occur.
(ROOT (S (NP (NNS Injuries)) (VP (MD can) (VP (VB be) (VP (VBN prevented) (PP (IN by) (S (VP (VBG getting) (NP (JJ proper) (NN rest) (CC and) (NN recovery)))))))) (. .)))