- Complete the following sentences with the correct words that collocate with the words in bold. Choose from the dropdown menu. 1. Smoking reduces life expectancy by up to eight years and causes many diseases. 2. Over cooking of vegetables reduces their nutritional value 3. Milk can play an important part in a many nutrients the body needs. balanced diet. It provides 4. A number of educational programs will be done by the government to inform the public of how to deal with obesity.