Saturday June 10th, 2023: FDA approves Alzheimer's drug, UK limits puberty blockers, Covid-19 in sewers & more

FDA advisers back Alzheimer's drug Leqembi for full approval, Canadian wildfire smoke spreads down East Coast, NHS of Britain to limit use of puberty-blocking drugs, Covid-19 lineages in US sewers could offer clues to chronic infections, brides go on solo bachelorette trips, Annecy International Animation Film Festival looks to break records, Benjamin Millepied makes first public appearance since affair news.