We expect surgery to help heal a painful condition, but sometimes the procedure can lead to a new type of pain. Researchers behind a new study explored post-op pain after heart surgery.

Days or even weeks after a stroke, some patients experience intense pain. Medications and magnetic or electrical stimulation can help, but doctors often fail to correctly diagnose the condition.

A person’s genetics determines a lot about them, including the way they look, their personality traits and health risks. Research suggests more and more that rare DNA combinations can play an important role in diseases and traits. Scientists are trying to find out more.

Stem cell transplant patients may not only be at risk during treatment. A new study suggests that a decade later they are still more susceptible to psychological conditions and chronic illness.