4 Tips to Make Cardio More Effective for Weight Loss

Marisa Taylor Karas is a freelance journalist based in Brooklyn who has covered health, gender, and technology for 15 years. She previously worked at The Wall Street Journal, The Guardian, and Al Jazeera America, among other publications, and also served as managing editor of the Mellon Foundation in New York City.

Mera Goodman, MD, FAAP, is a board-certified pediatrician. Prior to practicing medicine, she worked as a management consultant.