Energy & Macronutrients
What macronutrient is the body’s primary source of energy?
Carbohydrates
Which vitamin is most important for building strong bones in your 20s?
Vitamin D
What two physical health issues become more common with poor diet and inactivity?
Obesity and Type 2 diabetes
How many hours of sleep are recommended for young adults?
7–8 hours
Why is nutrition especially important in the early 20s?
The body is still growing and setting long-term health patterns
What nutrient builds and repairs tissues like muscle and skin?
Protein
What mineral works with vitamin D to build and strengthen bones?
Calcium
What mental health problems are common due to stress in young adulthood?
Anxiety and depression
Why should young adults see their doctor annually even if they feel healthy?
To detect hidden or early health issues
What happens if young adults skip meals regularly?
Energy drops, poor concentration, and slowed metabolism
What type of fat is healthiest for young adults to focus on?
Unsaturated fats (e.g., nuts, avocado, fish)
What mineral is needed for over 300 enzyme reactions in the body?
Magnesium
What nutrient deficiencies are most common in young adults?
Iron, calcium, and vitamin D
What can sunscreen prevent in both the short and long term?
Sunburns, wrinkles, and skin cancer
Which macronutrient supports immune function?
Protein
Why do young adults need moderate to high carbohydrate intake?
They have high energy demands from work, school, and activity
During young adulthood, when does bone density typically reach its peak?
In the early 20s
What long-term disease can result from poor diet, smoking, or alcohol use?
Heart disease
How does sleep help lower blood pressure and boost health?
It allows the body to rest and regulate systems
What combination of diet and lifestyle choices can best maintain mental health?
Balanced diet + hydration + sleep + exercise
What is one key function of fat besides providing energy?
Supports brain function / hormone production / absorbs vitamins A, D, E, K
How does vitamin D support both bone and mental health?
It helps absorb calcium and supports immune and brain cell function
Why are eating disorders more likely to develop at this stage of life?
High stress, independence, and pressure to manage food choices
What is one daily habit young adults often neglect that affects concentration and metabolism?
Drinking enough water (hydration)
How can magnesium indirectly improve academic or work performance?
It supports energy metabolism and reduces fatigue