Two-thirds of all cancers are caused by DNA replication errors, according to Johns Hopkins researchers. But don't light a celebratory cigarette just yet.
We usually attribute cancer to inherited genes such as the BRACA1 or BRACA2 mutations, responsible for breast, ovarian, and prostate cancer. Or else, a lifestyle choice like smoking or something to do with the environment, say exposure to pollution or radiation. A new study published in the journal Science however, makes a strong case for random chance as the biggest driver.