Ginger for Colorectal Cancer Prevention

Inclusion Criteria Normal Risk: * 18 years or older and in good health as defined by an unremarkable medical history, physical and screening blood work (chemistry screen, complete blood count) within 60 days of study entry. * No chronic medication use was allowed and participants could not have taken aspirin or related NSAIDs during the study or 14 days before the first dose of the study medication. * Participants also had to be classified as being at normal-risk for developing colorectal cancer. Normal-risk was defined as having: no first-degree relatives with colon cancer diagnosed before the age of 60; no personal history of colorectal cancer and no adenomas \>1 cm in size or containing carcinoma in situ Exclusion Criteria for both Normal and Increased Risk for Colorectal Cancer: 1. a history of peptic ulcer disease, gastrointestinal bleeding from gastric or duodenal ulcers, or gastrin secreting tumors; 2. pregnant or lactating women; 3. history of cardiovascular disease; 4. lactose intolerance; 5. or an allergy to ginger 6. a history of familial colorectal cancer syndromes;. Inclusion Criteria Increased Risk: * 18 years or older and in good health as defined by an unremarkable medical history, physical and screening blood work (chemistry screen, complete blood count) within 60 days of study entry. * No chronic medication use was allowed and participants could not have taken aspirin or related NSAIDs during the study or 14 days before the first dose of the study medication. * Participants also had to be classified as being at increased-risk for developing colorectal cancer. Increased-risk is defined as having at least one of the following: a first-degree relatives with colon cancer diagnosed before the age of 60; a personal history of early stage colorectal cancer and/or no adenomas \>1 cm in size or containing carcinoma in situ