• Risk was further increased by being overweight, inactive lifestyle.
• Dietary pattern may increase insulin resistance.
• Altering diet could serve as colorectal cancer prevention method.

BOSTON — Researchers may have found a specific dietary pattern linked to levels of C-peptide concentrations that increase a woman’s risk for colorectal cancer.

• Drinking plenty of fluids reduced men’s risk for bladder cancer.
• Men drank fewer liquids as they aged.
• Physicians should feel comfortable recommending that patients drink plenty of low-sugar fluids.

BOSTON — Drinking plenty of fluids may provide men with some protection against bladder cancer, according to a study presented at the 10th AACR International Conference on Frontiers in Cancer Prevention Research, held Oct. 22-25, 2011.

• Use of aspirin was not associated with risk for renal cell cancer.
• Acetaminophen and nonaspirin NSAID use increased risk.
• Researchers observed similar risk trends for high-dose analgesics use.

BOSTON — Use of acetaminophen and nonaspirin nonsteroidal anti-inflammatory drugs was associated with a significantly increased risk for developing renal cell carcinoma, according to data presented at the 10th AACR International Conference on Frontiers in Cancer Prevention Research, held Oct. 22-25, 2011.

• A significantly inverse association was found for coffee consumption and basal cell carcinoma.
• Decaffeinated coffee consumption was not associated with decreased risk.
• Coffee consumption was not related to squamous cell carcinoma and melanoma.

BOSTON — Caffeine could be related to an inverse association between basal cell carcinoma risk and consumption of coffee, a study found.

• Indoor tanning use increased risk for three common skin cancers.
• Risk increased 11 percent to 15 percent with use every four times per year.
• Risk effect was more predominant during high school/college.

BOSTON — Researchers confirmed an association between tanning bed use and an increased risk for three common skin cancers — basal cell carcinoma, squamous cell carcinoma and melanoma, according to results presented at the 10th AACR International Conference on Frontiers in Cancer Prevention Research, held Oct. 22-25, 2011.

• Large amounts of weight gain increased risk twofold.
• Increased risk was independent of body mass index.
• Weight cycling, or “yo-yo” dieting, had no effect on endometrial cancer risk.

BOSTON — Postmenopausal women who gained weight during adulthood had an increased risk for endometrial cancer compared with women who maintained a stable weight, according to data from the American Cancer Society’s Cancer Prevention Study II Nutrition Cohort.

• Significant difference found in the prevention of basal cell carcinoma.
• Trend found in prevention of squamous cell carcinoma, although not significant.
• No evidence of adverse effects found up to 10 years after being assigned to the drug.

BOSTON — An antiparasitic agent used to treat African sleeping sickness might someday be used to prevent nonmelanoma skin cancers.