Cochrane

We asked Does nutritional supplement of dietary fibre prevent recurrence of precancerous polyps and cancer in the bowel in participants with a history of polyps having been removed to achieve a polyp-free colon at baseline for the intervention. Background Colorectal (bowel) cancer is common worldwide but is especially prevalent in industrialised ...

Review question Does vitamin D supplementation prevent cancer? Background The available evidence on vitamin D and cancer occurrence is intriguing but inconclusive. Many observational studies as well as randomised trials suggest that high vitamin D levels in the blood are related to reduced cancer occurrence. However, results of randomised trials ...

Review question This review, carried out by authors of the Cochrane Oral Health Group, was conducted to investigate the effectiveness of current screening programmes in detecting oral cancer at an early stage and whether or not they can assist in decreasing deaths due to oral cancer. Background Oral cancer is increasing worldwide and it is the sixth ...

We tried to see if there was enough evidence to support the idea of following up patients with precancerous conditions of the stomach to prevent cancer. This would usually be done by means of an examination of the patient's stomach with a camera inserted via the mouth (an endoscopy) and the removal of small samples of tissue from the stomach (biopsy). ...

It is estimated that as many at 1.9 million deaths worldwide are attributable to physical inactivity, and that inactivity is a key risk factor in the development of most chronic diseases and cancers. This is alarming particularly because it is known that physical activity patterns track from childhood into adulthood. There is some evidence to suggest ...

Prostate cancer is a common form of cancer affecting men worldwide. Pharmaceutical interventions, such as 5-alpha reductase inhibitors, have been identified as potentially preventing prostate cancer incidence in men. Many men modify lifestyle and consume complementary and alternative medicines to maintain better health and prevent disease. Lycopene ...

Surgically removing both breasts to prevent breast cancer (bilateral prophylactic mastectomy or BPM) may reduce the incidence of breast cancer and improve survival in women with high breast cancer risk, but the studies reviewed have methodological limitations. After BPM, most women are satisfied with their decision, but less satisfied with cosmetic ...

Fifty-one studies with more than 1.6 million participants, mainly of observational nature were included in this systematic review. Studies looked for an association between green tea consumption and cancer of the digestive tract, gynecological cancer including breast cancer, urological cancer including prostate cancer, lung cancer and cancer of the ...

Experimental animals studies and observational studies have suggested that nonsteroidal anti-inflammatory drugs and aspirin may reduce the development of colorectal cancer and recurrence of adenomas in patients with familial adenomatous polyposis (FAP). The review found some evidence to support the effectiveness of aspirin for reducing the risk of ...