All Sauce from Weekly Sauce:

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 >

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 >

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 >

What happens when the blood supply to your bones is somehow damaged? The condition has a name, avascular necrosis, and it can trigger the death of bone cells. Other common names are osteonecrosis or bone infarction. Bone is alive and requires nourishment from the blood supply to stay healthy. If the blood supply is not…  read on >