Jenna Demmer is a writer and editor that specializes in health. She has covered many topics including infectious diseases, women's health, mental health, sleep, and more. She has written for more than ...

Daily air purifier use helps support cleaner air, which can lead to allergy relief, better heart and lung health, and other benefits to your health.

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

Control theory is a branch of mathematics and engineering, which defines the conditions needed for a system to maintain a controlled output in the face of input variation. Classically developed for ...