If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Radiation therapy uses high-energy waves to damage cancer cell DNA and stop growth. It targets a specific area but can sometimes harm healthy cells as well. External beam radiation sends rays from a ...

Gene therapy involves the introduction of new genes into cells, to restore or add gene expression, for the purpose of treating disease. Most commonly a mutated gene is replaced with DNA encoding a ...

Eye movement desensitization and reprocessing (EMDR) is a fairly new, nontraditional type of psychotherapy. It's getting more popular, particularly for treating posttraumatic stress disorder (PTSD).