3. Your own knowledge and habits

What this is made of

• 3(a). The exercise you already do
• 3(b). Harmful substances you avoid
• 3(c). Diseases prevented by vaccination
• 3(d). How nutrition connects to the rest
• 3(e). What a healthy weight is for you
• 3(f). Why sleep matters, and whether you get enough
• 3(g). Time with family and friends

Where this step comes from

1. Personal Fitness Merit Badge Requirements (Merit Badge Hub, last modified 2025-12-31), Requirement 3