Urine calcium excretion rates were consistent with osteoporosis development ; however calcium balance studies did not demonstrate loss of whole body calcium with higher net acid excretion .
No study revealed a biologic mechanism functioning at physiological pH. Finally , r and omized studies did not provide evidence for an adverse role of phosphate , milk , and grain foods in osteoporosis .
Conclusions A causal association between dietary acid load and osteoporotic bone disease is not supported by evidence and there is no evidence that an alkaline diet is protective of bone health
Background Modern diets have been suggested to increase systemic acid load and net acid excretion .
In response , alkaline diets and products are marketed to avoid or counteract this acid , help the body regulate its pH to prevent and cure disease .
The objective of this systematic review was to evaluate causal relationships between dietary acid load and osteoporosis using Hill 's criteria .
Fruit and vegetable intakes are an independent predictor of bone size in early pubertal children.
BACKGROUND Adequate intakes of fruit and vegetables are recommended for optimum health in children . OBJECTIVE The objective of this study was to determine whether consuming fruit and vegetables > 3 times per day is beneficial to bone mass in children . DESIGN Fifty-six white females ( Tanner stage 2 ) recorded dietary intake on 3 independent days . The numbers of servings of fruit and vegetables were recorded for each day and tallied , and the subjects were divided into 2 consumption groups for analysis ( low consumption : <3 servings/d , n = 22 ; high consumption : > or = 3 servings/d , n = 34 ) . Bone area and the bone mineral content of the whole body and radius were assessed by using dual-energy X-ray absorptiometry . Radioimmunoassays measured serum parathyroid hormone and 25-hydroxyvitamin D. Twenty-four-hour urine sample s were assessed for calcium , sodium , and creatinine . RESULTS After adjustment for age , body mass index , and physical activity , those children who reported consuming > or = 3 servings fruit and vegetables/d had more bone area of the whole body ( 6.0 % ; P = 0.03 ) and radius ( 8.3 % ; P = 0.03 ) , lower urinary calcium excretion ( 2.6 + /- 0.2 compared with 1.8 + /- 0.3 mg/kg ; P = 0.04 ) , and lower parathyroid hormone ( 19.6 + /- 1.9 compared with 25.0 + /- 1.6 pg/mL ; P = 0.01 ) than did those children who reported consuming <3 servings fruit and vegetables/d . CONCLUSIONS High fruit and vegetable intakes have beneficial effects on the bone area of the radius and whole body in early pubertal girls . The lower urinary calcium output associated with higher fruit and vegetable intakes may be a modulating factor
Urine calcium excretion rates were consistent with osteoporosis development ; however calcium balance studies did not demonstrate loss of whole body calcium with higher net acid excretion .
No study revealed a biologic mechanism functioning at physiological pH. Finally , r and omized studies did not provide evidence for an adverse role of phosphate , milk , and grain foods in osteoporosis .
Conclusions A causal association between dietary acid load and osteoporotic bone disease is not supported by evidence and there is no evidence that an alkaline diet is protective of bone health
Background Modern diets have been suggested to increase systemic acid load and net acid excretion .
In response , alkaline diets and products are marketed to avoid or counteract this acid , help the body regulate its pH to prevent and cure disease .
The objective of this systematic review was to evaluate causal relationships between dietary acid load and osteoporosis using Hill 's criteria .