While there’s no way to prevent bowel cancer completely, several diet and lifestyle choices can lower your bowel cancer risk: Keep physically active for at least 30 minutes each day. Reduce alcohol intake to no more than 2 standard drinks per day, or avoid it altogether. Include dairy products such as low-fat milk, yoghurt and cheese in your daily diet, with at least 2 serves per day. Include wholegrains and fibre, such as brown rice, wholemeal bread, vegetables, fruits, beans and nuts. Limit red meat consumption to 500 grams cooked per week and avoid processed meat altogether. Quit smoking and avoid breathing in tobacco smoke.