If you think calories are calories, no matter if they come from broccoli or brownies, think twice. Calories from nutrient-rich foods and calories from nutrient-poor, refined carbs will have completely different effects on your mental and physical Health.
Kristie Leong M.D.
Calories are undeniably mentioned everywhere you turnâfrom food labels to restaurant menus, recipe blogs, food tracking applications and even news headlines. All the talk about calories may have you wondering why they are so important. Better yet, what exactly are calories, and how do they work?
eatingwell.com
âHow Many Calories Do You Need?
According to the 2020-2025 Dietary Guidelines for Americans, the total number of calories an adult aged 19 to 59 requires daily ranges from 1,600 to 3,000 kcal.
EatingWell.com
According to the 2020-2025 Dietary Guidelines for Americans, the total number of calories an adult aged 19 to 59 requires daily ranges from 1,600 to 3,000 kcal. More specifically, adult females require about 1,600 to 2,400 kcal per day, while adult males need around 2,000 to 3,000 kcal per day. Of the total calories consumed, 45% to 65% should come from carbohydrates, 20% to 35% from fats and 10% to 35% from protein. To determine your individualized caloric needs, it is important to consider the following factors.
âBasic Metabolic Functions
Your body requires a minimum number of calories to carry out the essential metabolic functions that sustain life. These basic functions include respiration, circulation, cell production, protein synthesis, nutrient processing and ion transport.
EatingWell.com
Your body requires a minimum number of calories to carry out the essential metabolic functions that sustain life. These basic functions include respiration, circulation, cell production, protein synthesis, nutrient processing and ion transport. The minimum number of calories needed to fuel these activities is referred to as your basal metabolic rate. BMR accounts for 60% to 75% of your body's total energy expenditure, per a 2019 article published in the Encyclopedia of Animal Cognition and Behavior. Multiple factors influence BMR, such as age, height, weight, body size, body composition, body temperature, climate, sex and hormone status. Therefore, caloric needs are unique for every individual.
âExercise
Being physically active can improve your brain health, help manage weight, reduce the risk of disease, strengthen bones and muscles, and improve your ability to do everyday activities. Adults who sit less and do any amount of moderate-to-vigorous physical activity gain some health benefits.
HealthyLifeHow.com
âWhat's the Link Between Calories and Body Weight?
Even losing a little bit of weight â five to ten percent of your total body weight â can provide health benefits for those who are overweight or obese.
HealthyLifeHow.com
âInformation about Nutrition
Nutrition is about eating a healthy and balanced diet. Food and drink provide the energy and nutrients you need to be healthy.
HealthyLifeHow.com
âInfo Health Science
The definition of Health Science is the study of the well-being, health, or medical care for human beings or those who are sick or unhealthy. Those who study and work in the health sciences field learn skills and fundamentals for taking care of people in a wide range of medical specialties.
World Health Organization
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