Tiare Dunlap

With CTE back in the headlines, and affecting athletes from range of sports, here are seven things to know about the brain disease

"Adults see climate change as an issue that can be solved in the future, but for young people, it's going to be part of our entire lives," Sophie Kivlehan tells PEOPLE

"You are a part of the fabric of who we are and we love you and we welcome you," Ashton Kutcher said at the SAG Awards

"We will keep standing up for a country that matches our values and ideals for all," the former first daughter tweeted

"You are a part of the fabric of who we are and we love you and we welcome you," Ashton Kutcher said at the SAG Awards

"We will keep standing up for a country that matches our values and ideals for all," the former first daughter tweeted

Norovirus outbreaks across the United States have plunged millions of families into misery and caused widespread school closures

"The greatest thing baseball ever did for me was teach me who I could be without it," Imhof writes

"The thing that impressed me was that he never quit," Swanigan's adoptive father said

"I looked at it as our Christmas gift to this little girl and her family," Dr. Ghali says of the pro-bono operation

"I think right now he wants to be a professional soccer player," the actress said of her 9-year-old son, Jack

The first week of the Grand Slam tournament has been filled with more unexpected victories than any major tennis competition in recent years

Richard and Maurice McDonald revolutionized the way that billions of people around the world eat – and produce – fast food

"No child should have to endure this awful disease,"  the boy's grandmother says

"His reaction was pure joy," the boy's teacher said

"She's taking one for the team, literally," Levitre said of his wife

"[Music] kind of brings a spark back into his eyes that's been gone for a little while," Derrick Boudwin's wife Cami says

"Two angels came out of the sky," 73-year-old John Wilkie says of the men who helped him off the ground and across the finish line

"It's exciting to go into the neighborhood and spend some time with people around us," catcher Gary Sanchez said

Less than one week after making his surprise appearance at the Golden Globes last Sunday, Brad Pitt had another rare public outing