How often you should wash your sheets and towels, according to science

Experts generally recommend washing sheets and bath towels every one to two weeks. Regular washing removes skin cells and dust mites, which can be especially important for people with allergies or asthma.

专家通常建议每隔一到两周清洗一次床单和浴巾。定期清洗有助于去除皮屑和尘螨，对有过敏或哮喘问题的人尤其重要。