Colons are used mostly to introduce or emphasize a word, list, phrase, or sentence. Use colons in the following situations: Combine two complete sentences when the second sentence completes, explains, ...

Furthermore, those diagnosed with marijuana addiction before they were stricken with colon cancer were 24.4 times more likely ...

New research finds that people who have a history of heavy cannabis use are more than 20 times more likely to die within 5 years of diagnosis.