( ( In ( ( 1994 scientists ) ( at ( NIH ( ( reviewed ( ( new information ) ( about ( ( calcium 's ) role ) ) ) ) ( in ( preventing osteoporosis ) ) ) ) ) ) ) ( - ( studies ( ( showed ( that ( ( people ( who ( ( supplement ( their diets ) ) ( with ( ( calcium and ) ( vitamin D ) ) ) ) ) ) ( ( ( slow ( bone loss ) ) and ) ( reduce ( ( the number ) ( of fractures ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (CD 1994) (NNS scientists)) (PP (IN at) (NP (NP (NNP NIH)) (VP (VBN reviewed) (NP (NP (JJ new) (NN information)) (PP (IN about) (NP (NP (NN calcium) (POS 's)) (NN role)))) (PP (IN in) (S (VP (VBG preventing) (NP (NNS osteoporosis)))))))))) (: -) (NP (NNS studies)) (VP (VBD showed) (SBAR (IN that) (S (NP (NP (NNS people)) (SBAR (WHNP (WP who)) (S (VP (VB supplement) (NP (PRP$ their) (NNS diets)) (PP (IN with) (NP (NP (NN calcium)) (CC and) (NP (NNP vitamin) (NNP D)))))))) (VP (VP (VB slow) (NP (NN bone) (NN loss))) (CC and) (VP (VB reduce) (NP (NP (DT the) (NN number)) (PP (IN of) (NP (NNS fractures))))))))) (. .)))
In 1994 scientists at NIH reviewed new information about calcium's role in preventing osteoporosis- studies showed that people who supplement their diets with calcium and vitamin D slow bone loss and reduce the number of fractures.
(ROOT (S (NP (NP (DT A) (NN diet)) (ADJP (JJ rich) (PP (IN in) (NP (NN calcium) (CC and) (NN vitamin) (NNS d))))) (VP (MD may) (VP (VB reduce) (NP (NP (DT the) (NN risk)) (PP (IN of) (NP (NN osteoporosis) (CC and) (JJ related) (NN bone) (NNS fractures)))))) (. .)))