More than half of the first 21 brains donated to the Australian Sports Brain Bank by former athletes showed signs of chronic traumatic encephalopathy (CTE), a degenerative disease caused by repeated concussions, a study showed.

Covid-19 antibodies passed from infected mothers to their breastfeeding newborns provide more benefit to the baby than researchers expected to see, according to a report published on November 3 in JAMA Network Open. In other research, among people with impaired immune systems, some get less benefit than others from the mRNA Covid-19 vaccines while new data help clarify the differences and supports the need for extra shots.

Fans attending baseball, football and outdoor music events in Los Angeles County will be required to wear a mask starting on Aug. 20 regardless of their vaccination status, according to an order on Aug. 17 from the health department.

With the National Football League season in the books, the league offered the use of NFL stadiums for mass Covid-19 vaccinations.

Mask-wearing and social distancing will be paramount at the Super Bowl LV, top U.S. infectious disease specialist Anthony Fauci said ahead of the National Football League’s (NFL) championship game on Feb. 7 in Tampa, Florida.

Players in the National Football League must wear masks on the sidelines unless they have their helmet on and are preparing to enter the game, the league said as the NFL unveiled an enhanced set of Covid-19 protocols.

Dr. Ann McKee of Boston University studies the brains of deceased football players at the world’s largest brain bank, hoping to learn about the long-term impact of repeated head traumas for people ranging from professional athletes to victims of domestic abuse.

Federal authorities charged 10 former National Football League players for allegedly defrauding a healthcare program of more than $3.4 million by filing false claims for expensive medical equipment.

Former U.S. National Football League (NFL) athletes who bulked up before and during their professional careers have an increased risk of heart disease and other health problems compared with other players, researchers say.

Researchers have discovered a protein that could help diagnose a degenerative brain disease commonly found in athletes, veterans of military service and others who have experienced brain trauma.