đź’š Claimed Benefits vs. Scientific Evidence
While Breuss claimed his treatment helped thousands, modern science evaluates the individual ingredients for their nutritional, not curative, value.
Ingredient Claimed Benefit by Proponents What Science Actually Says
Beetroot Detoxifies blood, starves tumors. Rich in betalains, which have strong antioxidant and anti-inflammatory properties. Supports liver health and blood flow, but does not cure cancer.
Carrots Boosts immunity against cancer. High in beta-carotene (Vitamin A), which supports immune function and vision. No evidence it treats cancer; high doses can be harmful for smokers.
Celery Root Reduces inflammation. Contains antioxidants like apigenin. A healthy anti-inflammatory food, but not a disease treatment.
Potato Provides minimal energy during fast. Source of vitamin C and potassium. The small amount in the juice offers negligible calories.
⚕️ The Critical Medical Consensus
Major health organizations universally caution against this regimen for cancer patients.
It is Not a Cancer Cure: There is no credible scientific evidence that the Breuss diet, or any juice fast, can cure cancer. Tumor cells are highly adaptable and cannot be selectively « starved » in this way.
Dangerous for Patients: For someone with cancer, severe calorie and protein restriction leads to cachexia—a devastating wasting syndrome that weakens the body, compromises the immune system, and reduces the ability to tolerate life-saving treatments like chemotherapy.
General Health Risks: Even for healthy individuals, a 42-day fast can cause severe fatigue, muscle loss, nutrient deficiencies, and electrolyte imbalances.
Cancer Research UK states plainly: « There is no scientific evidence to support the Breuss diet as a cure for cancer… it could be very harmful. »
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