Macy is a Writer on the CNET How-To team, covering a variety of topics, including home security, fitness and nutrition, smart home tech and more. In each article, Macy helps readers get the most ...

What If You Couldn’t? What if you had a food allergy, and your body’s immune system overreacts to what should be a harmless food protein? A reaction can be as bad as life-threatening anaphylaxis. This ...