A nasal spray containing ketamine might help relieve migraine headaches when other treatments fail, a new study suggests. Ketamine is a synthetic anesthetic with hallucinogenic effects that is sometimes used intravenously for migraine headaches. It’s being tried for treatment-resistant depression, too. But it’s also a potentially addictive “party” drug so it is not for everyone.…  read on >  read on >

(HealthDay News) – Providing sick leave to restaurant workers could help prevent the spread of foodborne illness because ill workers are key drivers of outbreaks at restaurants, a new government report shows. The U.S. Centers for Disease Control and Prevention published data on Tuesday covering 800 outbreaks of foodborne illness at restaurants between 2017 and…  read on >  read on >

Cataracts are the leading cause of blindness around the world, but surgery can restore vision. “Unlike many of the other major eye diseases, such as glaucoma or diabetes-related eye disease, cataracts can be easily and painlessly treated by surgery to remove and replace the eye’s lens, restoring sight for most patients,” said Jeff Todd, president…  read on >  read on >

A key to living to 100 may be the viruses living in a centenarian’s guts. “This snapshot of how the virome interacts with gut microbiomes could tell us about how microbial and viral ecology evolves over the lifetime of a person,” said Ramnik Xavier, director of immunology and co-director of the infectious disease and microbiome…  read on >  read on >