Despite these cautions, the data on the relationship
between Dietary Fiber intake and risk of CHD based on epide - miological, clinical, and mechanistic data are strong enough to warrant using this relationship as a basis for setting a recommended level of intake.
Again, at follow - up in the same cohort, no relation - ship was found
between Dietary Fiber intake and colon cancer incidence (Fuchs et al., 1999).
For example, Giovannucci and coworkers (1992) studied a population of 7,284 men from the Health Professionals Follow - up Study and found a significant negative relationship
between Dietary Fiber intake and colonic adenomas.
Fuchs and colleagues (1999) prospectively examined the relationship
between Dietary Fiber intake and the risk of colon cancer in a large cohort of women.
However, no significant associations have been observed
between Dietary Fiber intake and risk of prostate cancer (Andersson et al., 1996; Ohno et al., 1988; Rohan et al., 1995).
â $ cents Examine the relation
between Dietary Fiber intake, energy intake, and long - term body weight in existing prospective epidemiological studies in addition to intervention studies.
In a large cohort of 21,930 Finnish men, there was a significant inverse association
between Dietary Fiber intake and CHD, with a multivariate rela - tive risk of 0.84 for men in the highest quintile of intake (34.8 g / d) com - pared with the lowest quintile of intake (16.1 g / d)(Pietinen et al., 1996)(Table 7 - 2).
Ascherio and coworkers (1992) have shown a strong inverse association
between Dietary Fiber intake and risk of hypertension in men, with hypertension being an important risk factor for CHD.
This theory is supported by results from the Zutphen Elderly Study, where a negative relationship was observed
between Dietary Fiber intake and insulin concentrations (Feskens et al., 1994).
The parable of the tiny parachute explains the study that found no relationship
between dietary fiber intake and diverticulosis.
A study out of the University of North Carolina found no association
between dietary fiber intake and diverticulosis in comparing the group that ate the highest amount, 25 grams — three times the amount of the lowest fiber intake group.
Another study found that there was a correlation
between dietary fiber intake, and reduced risk of colorectal cancer (29).
Data on longitudinal associations
between dietary fiber intake and CRP are currently lacking.
However, all 3 studies observed a significant inverse relation
between dietary fiber intake and CRP concentrations.
Objective: The purpose of this study was to examine longitudinal associations
between dietary fiber intake and CRP.
Not exact matches
The
dietary reference
intake for
dietary fiber is
between 21 and 38 grams per day for adults.
The association
between dietary lignans, phytoestrogen - rich foods, and
fiber intake and postmenopausal breast cancer risk: a German case - control study.
We observed an inverse association
between intake of total
dietary fiber (separately for soluble and insoluble
fiber) and CRP concentrations in both cross-sectional and longitudinal analyses.
With the lowest quartile of
dietary fiber intake as the referent group, there was an inverse relation
between highest quartile of total
dietary fiber intake and CRP > 3 mg / L in both the unadjusted (OR: 0.27; 95 % CI: 0.12, 0.57; P for trend < 0.01) and adjusted (OR: 0.37; 95 % CI: 0.16, 0.87; P for trend = 0.01) models.
In addition, the quintiles and quartiles of
dietary fiber intake differ
between the studies.
Veganrunner: That's a very interesting point about the link
between high
dietary fiber intake and absorption of thyroid medication.
«In summary, [their] study observed significant inverse associations
between adolescent
dietary intake of
fiber and nuts and risk of proliferative benign breast disease.
«We asked ourselves whether the huge difference in
dietary fiber intake between traditional and modern populations could, alone, account for it.»
These findings might have an important implication for large bowel physiology since there [are] strong inverse associations
between the incidence of colorectal cancer and starch
intake or the sum of
dietary fiber and RS
intake, while
dietary fiber alone did not show any significant relationships.
The association
between dietary lignans, phytoestrogen - rich foods, and
fiber intake and postmenopausal breast cancer risk: a German case - control study.
There appears to be no relationship
between the level of
Dietary Fiber intake and fermentability up to very high levels (Livesey, 1990).
Wolk and coworkers (1999) examined the relationship
between intake of
Dietary Fiber and risk of CHD in the Nursesâ $ ™ Health Study and found a significant inverse asso - ciation, which was confined to
Dietary Fiber from cereal sources (Table 7 - 2).
Possible Reasons for the Lack of a Protective Effect of
Dietary Fiber in Some Trials There is considerable debate and speculation as to why clinical inter - vention trials on the relationship between fiber intake and colon cancer have not shown the expected beneficial effect of f
Fiber in Some Trials There is considerable debate and speculation as to why clinical inter - vention trials on the relationship
between fiber intake and colon cancer have not shown the expected beneficial effect of f
fiber intake and colon cancer have not shown the expected beneficial effect of
fiberfiber.
Epidemiological Studies Thun and coworkers (1992) found a significant inverse relation
between the
intake of citrus fruits, vegetables, and high
fiber grains and colon cancer, although Dietary Fiber intake was not specifically anal
fiber grains and colon cancer, although
Dietary Fiber intake was not specifically anal
Fiber intake was not specifically analyzed.
Summary The strongest data supporting a relationship
between fiber and weight maintenance come from the few epidemiological studies showing that Dietary Fiber intake is lower for obese men and women than for lean men and women and that BMI is lower with higher fiber consumption for both men and w
fiber and weight maintenance come from the few epidemiological studies showing that
Dietary Fiber intake is lower for obese men and women than for lean men and women and that BMI is lower with higher fiber consumption for both men and w
Fiber intake is lower for obese men and women than for lean men and women and that BMI is lower with higher
fiber consumption for both men and w
fiber consumption for both men and women.
Liu S, Willett WC, Manson JE, Hu FB, Rosner B, Colditz G. Relation
between changes in
intakes of
dietary fiber and grain products and changes in weight and development of obesity among middle - aged women.
388
DIETARY REFERENCE
INTAKES tive correlation
between cereal
fiber intake and risk of CHD, whereas the correlation was weak or nonexistent for fruit and vegetable
fibers.
In this current study, with low heterogeneity
between the eight countries, we observed a positive association for total and animal protein and type 2 diabetes risk, independent of known type 2 diabetes risk factors and
dietary factors including fat, saturated fat, and
fiber intake.