There’s a link between appendicitis and Parkinson’s disease, according to a study published this week. The new research, set to be presented at a conference next weekend, says a person is nearly three times as likely to develop Parkinson’s disease if they’ve had their appendix…

Having a skin rash can feel like you’re in a bizarre, dermatological version of Invasion of the Body Snatchers. Your skin is unhappy for some reason, and instead of doing the polite thing—chilling out—it’s going to express its displeasure. Boldly. Meet your new rash. 1….

A man in England has sworn off cleaning his ears with cotton swabs after developing a potentially life-threatening infection that not only affected his hearing, but also spread to the lining of his brain and caused neurological symptoms, according to a new report of his case. The…

A woman in South Florida has reportedly become one of the first in the country to receive a prosthetic iris to repair the one in her left eye that has been damaged since childhood. When Katheryn Mercer was 12 years old, her left iris was…

A UK patient’s HIV has become “undetectable” following a stem cell transplant – in only the second case of its kind, doctors report in Nature. The London patient, who was being treated for cancer, has now been in remission from HIV for 18 months and…

Parents should not be complacent about the risks of teenagers using cannabis, experts are warning. UK and Canada researchers said they had found “robust” evidence showing using the drug in adolescence increased the risk of developing depression in adulthood by 37%. They said the findings…

Lyme disease can be diagnosed by the rash alone, new advice for the NHS says. People with the “bull’s eye” circular rash do not need a blood test and should be treated immediately to avoid complications, the National Institute for Health and Care Excellence says….

Mental health patients who miss two or more GP appointments within the space of a year are eight times more likely to die in the subsequent 18 months than those who miss none, a study suggests. The University of Glasgow study looked at 274,547 patients…