Recent research suggests much of what causes cancer happened in our early years, or even before we were born, says this professor. We know what we need to do to reduce our risk of getting cancer, right? Wear sunscreen, stop smoking, avoid processed foods, keep fit, lose weight and get enough sleep. But what if much of what causes cancer has already happened in our early years, or worse still, before we were born? A recent study from Brigham and Women’s Hospital and Harvard University says that may be the case, especially in cancers that happen before the age...