An estimated 170,000 Australians were diagnosed with cancer in 2025. Many people know the causes of cancer are partly genetic. But how do your genes, which contribute so much of what makes you you, ...

Among the 7,000 or so different chemicals in cigarette smoke, more than 70 are known to be carcinogens. Most carcinogens promote cancer by damaging DNA and causing mutations. Illustration by Wenjing ...