NEW YORK (AP) — You keep your trusty reusable bottle filled with only clear, delicious water. Do you still need to wash it? Experts say reusable bottles get grubby no matter what liquid they’re filled ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Beneath that vacuum insulation and powder-coated finish, your bottle is basically a dark, damp cave that ...

Caroline Igo (she/her/hers) was a wellness editor at CNET and holds Sleep Science Coach and Stress Management certificates from the Spencer Institute. She received her bachelor's degree in creative ...

My water bottle is easily my favorite accessory. It’s a one-quart Nalgene I got during college orientation, now covered in stickers for bands, board games, political rallies, and coffee shops ...