Explore key facts about nutrients and healthy lifestyle habits for overall wellness. Perfect for those seeking to enhance their knowledge of daily nutrition essentials.
What nutrient is primarily responsible for building and repairing body tissues in the human body?
Explanation: Protein is essential for the growth, repair, and maintenance of body tissues like muscles and organs. Carbohydrates are mainly used for energy, not tissue repair. Vitamin C supports the immune system but isn't a major tissue builder. Iron is important for blood health, not for tissue construction.
Which type of fat is considered the healthiest for heart health when consumed in appropriate amounts?
Explanation: Unsaturated fats, found in sources like olive oil and nuts, can improve heart health by lowering bad cholesterol. Saturated and trans fats are associated with higher heart disease risk. Hydrogenated fats are artificial and also increase risk.
What is the generally recommended daily water intake for an average adult to maintain hydration?
Explanation: About 2–3 liters per day is commonly advised for proper hydration. 1 liter is often too little, 4–5 liters can be excessive for most people, and less than 500 ml would likely lead to dehydration.
Which vitamin is especially important for supporting a strong immune system?
Explanation: Vitamin C aids immune cell function and helps protect against illness. Vitamin A and E have antioxidant roles but are not as directly associated with immunity. Vitamin K mainly assists with blood clotting.
What nutrient helps regulate digestion and prevent constipation?
Explanation: Dietary fiber adds bulk to stool and encourages healthy bowel movement. Cholesterol and sodium do not directly influence digestion, and glucose is a form of sugar absorbed by the body.
Which mineral is crucial for maintaining strong bones and teeth throughout life?
Explanation: Calcium is essential for bone and dental health. Magnesium and potassium also support health, but not as prominently for bones and teeth, and iron's main role is in blood.
Which meal is most important for kick-starting your metabolism in the morning?
Explanation: Breakfast provides energy after the night's fast and helps start metabolism for the day. Lunch and dinner come later, and snacks generally provide supplemental energy, not a metabolic boost at the day's start.
Which type of carbohydrate provides longer-lasting energy for daily activities?
Explanation: Complex carbohydrates (like whole grains) digest more slowly, providing sustained energy. Simple carbohydrates and refined sugars cause quicker energy spikes and drops, while trans fats aren't carbohydrates.
What is a healthy way to reduce daily calorie intake for better weight management?
Explanation: Replacing sugary drinks with water reduces calorie intake in a healthy way. Skipping meals or extreme diets can harm health, and increasing fried foods raises calorie and fat intake.
Which vitamin is mainly obtained from sunlight exposure and supports bone health?
Explanation: Vitamin D is produced when skin is exposed to sunlight and helps the body absorb calcium for bone health. Vitamins A and K are not made through sunlight and have different functions; B12 comes mostly from dietary sources.