The health impacts of smoking are widespread and significant, but many of the most dangerous consequences begin to reverse themselves almost from the moment you quit.
Eating more vegetables has been shown to protect against several types of cancer, and reduce the risk of several other health problems. We tell you which vegetables pack the most nutritional punch.
Liquid biopsies analyze blood, urine, or sputum for DNA signatures of cancer, and can detect many cancers earlier than current screening protocols. The technology is still developing, but could radically transform cancer diagnosis and treatment.