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Tag: tear

Lab scientists grow mini human tear glands that cry

Lab scientists grow mini human tear glands that cry

Science
March 16 (UPI) -- Using new organoid technology, scientists have successfully grown miniature tear glands that actually cry. The breakthrough -- described Tuesday in the journal Cell Stem Cell -- could help researchers study the tear-production process and determine why some duct cells fail to produce tears. Advertisement Scientists hope the organic models can be used to develop treatments for tear gland disorders like dry eye disease. Eventually, tear glands grown in the lab could be used as transplants. Tears are vital to healthy eyes. Produced by the ducts in the corner of the eye socket, tears lubricate the eyes and deliver nutrition to the cornea. Antibacterial properties in tears also help prevent eye infections. "Dysfunction of the tear gland, for example in Sjögren's syndrome, ca...
Flares, grenades and tear gas thrown as Rome’s anti-lockdown protests continue

Flares, grenades and tear gas thrown as Rome’s anti-lockdown protests continue

World
Violence broke out in Rome as anti-lockdown protesters threw flares and flash grenades at police, who fought back with tear gas and water cannons.Supporters of the far-right party Forza Nuova (New Force) were largely among the crowd of a few hundred in Piazza del Popolo, one of Rome's famous landmarks. They were protesting against new COVID-19 restrictions, including a 6pm curfew for bars and restaurants and the closure of public gyms, cinemas and swimming pools. Image: Far right demonstrators clashed with police during the protest Italian Prime Minister Giuseppe Conte announced the measures on Sunday to try to slow a second wave of infections.Scuffles broke out when the protesters, who were shouting "freedom, freedom," lit coloured ...
Tear gas fired as thousands attend banned protest in Paris

Tear gas fired as thousands attend banned protest in Paris

World
Officers in Paris fired tear gas after thousands gathered for a banned protest against police brutality.The demonstration was held outside the Tribunal de Paris, the capital's main courthouse, amid growing global outrage over the death of George Floyd in Minneapolis. Protesters were also paying homage to Adama Traore, 24, a black man who died in the custody of French police in July 2016. Image: The protest was held in solidarity with George Floyd and 24-year-old Frenchman Adama Traore :: Listen to the Daily podcast on Apple Podcasts, Google Podcasts, Spotify, SpreakerMr Traore's family claim he died of asphyxiation and his last words were the same as those of George Floyd: "I can't breathe." ...
Tear gas and water cannon fired at Hong Kong protesters

Tear gas and water cannon fired at Hong Kong protesters

World
Riot police in Hong Kong have fired water cannon, tear gas and pepper spray during clashes with anti-government protesters.The latest violent confrontations, which saw some demonstrators hurl petrol bombs at official buildings, follow weeks of pro-democracy unrest in the city. Image: Petrol bombs were thrown by some anti-government protesters It will fuel fears of escalating violence in the run up to China's National Day on 1 October, marking the 70th anniversary of the founding of the People's Republic.Thousands of protesters, many clad in black with umbrellas and carrying pro-democracy posters, sang songs and chanted Stand With Hong Kong, Fight For Freedom as they marched on government offices, in defiance of a police ban. ...
Surgery helps older patients with meniscus tear better than observation, study says

Surgery helps older patients with meniscus tear better than observation, study says

Health
July 11 (UPI) -- Meniscal root tears, often associated with younger athletes, also commonly strike older people with degenerative knee problems, a new study says. Now, a new inside arthroscopic repair technique has proven to help repair these injuries in older adults, avoiding the need for more complicated surgeries, according to research presented Thursday at the American Orthopedic Society of Sports Medicine Annual Meeting. These root tears can loosen up the meniscus, which may lead to cartilage damage. "Our study found a significant improvement in all clinical outcome scores in the surgery group at two-year follow-up," said Jason L. Dragoo, a researcher at Stanford Medicine and study author, in a news release. The study included 48 people ages 50 and older who tore their meniscal root...