Intervention Trial (Single Arm or Non-Randomized)

A defined, plant-based diet utilized in an outpatient cardiovascular clinic effectively treats hypercholesterolemia and hypertension and reduces medications.

BACKGROUND: Cardiovascular disease (CVD) is a major economic burden in the United States. CVD risk factors, particularly hypertension and hypercholesterolemia, are typically treated with drug therapy. Five-year efficacy of such drugs to prevent CVD is estimated to be 5%. Plant-based diets have emerged as effective mitigators of these risk factors.
HYPOTHESIS: The implementation of a defined, plant-based diet for 4 weeks in an outpatient clinical setting may mitigate CVD risk factors and reduce patient drug burden.

Impact of a 3-Months Vegetarian Diet on the Gut Microbiota and Immune Repertoire.

The dietary pattern can influence the immune system directly, but may also modulate it indirectly by regulating the gut microbiota. Here, we investigated the effect of a 3-months lacto-ovo-vegetarian diet on the diversity of gut microbiota and the immune system in healthy omnivorous volunteers, using high-throughput sequencing technologies. The short-term vegetarian diet did not have any major effect on the diversity of the immune system and the overall composition of the metagenome.

Relapse Prevention in Ulcerative Colitis by Plant-Based Diet Through Educational Hospitalization: A Single-Group Trial.

CONTEXT: No known published study has focused on a plant-based diet (PBD) in the treatment of ulcerative colitis (UC).
OBJECTIVE: To investigate relapse prevention in UC after consumption of a PBD during educational hospitalization in Japan.
DESIGN: Prospective study of patients with mild UC or UC in remission who did not need immediate treatment. A PBD and dietary guidance were provided during a two-week hospitalization.

Consumption of a defined, plant-based diet reduces lipoprotein(a), inflammation, and other atherogenic lipoproteins and particles within 4 weeks.

BACKGROUND: Lipoprotein(a) [Lp(a)] is a highly atherogenic lipoprotein and is minimally effected by lifestyle changes. While some drugs can reduce Lp(a), diet has not consistently shown definitive reduction of this biomarker. The effect of consuming a plant-based diet on serum Lp(a) concentrations have not been previously evaluated. HYPOTHESIS: Consumption of a defined, plant-based for 4 weeks reduces Lp(a).

High-carbohydrate, high-fiber diets for insulin-treated men with diabetes mellitus.

The effects of high-carbohydrate, high plant fiber (HCF) diets on glucose and lipid metabolism of 20 lean men receiving insulin therapy for diabetes mellitus were evaluated on a metabolic ward. All men received control diets for an average of 7 days followed by HCF diets for an average of 16 days. Diets were designed to be weight-maintaining and there were no significant alterations in body weight. The daily dose of insulin was lower for each patient on the HCF diet than on the control diet.

Low-fat diet and therapeutic doses of insulin in diabetes mellitus.

THERE is no indication that healthy people taking a diet rich in carbohydrates are especially liable to diabetes ; in fact numerous observations show improvement of carbohydrate tolerance following its greater intake. The Staub-Traugott effect is a classical example of this in acute experiments. As a long-term effect diabetes mellitus is not especially common among the huge and mainly carbohydrate-eating populations of the world-e.g., the Chinese-except the rich and the sedentary among them who partake of large quantities of fat as well and encourage obesity by overeating.

C-reactive protein response to a vegan lifestyle intervention

This brief lifestyle intervention, including a vegan diet rich in fresh fruits and vegetables, whole grains and various legumes, nuts and seeds, significantly improved health risk factors and reduced systemic inflammation as measured by circulating CRP. The degree of improvement was associated with baseline CRP such that higher levels predicted greater decreases. The interaction between gender and baseline CRP was significant and showed that males with higher baseline CRP levels appeared to have a more robust decrease in CRP due to the intervention than did their female counterparts.

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