Who it's for: Lifters who skip cardio, beginners who don't know where to start, and anyone who wants a stronger heart, at any age.
- How much cardio you need for your age, and 3 ways to measure how hard you're working
- The 4 types of cardio, HIIT vs Zone 2, and how to combine cardio with lifting
- An 8-week plan for 3 levels, plus 6 interval sessions
- Cardio for teens, adults, 65+ and during pregnancy
- What the guidelines say for diabetes, high blood pressure, heart disease and kidney disease, with warning signs and questions for your doctor
This guide is general information based on international guidelines, not medical advice. If you have a heart, kidney or metabolic condition, are pregnant, or get chest pain, dizziness or unusual breathlessness during exercise, talk to your doctor before you start.