The body uses calories as a source of energy for daily activities. Counting calories is a popular tool for weight management and establishing a healthy diet. The calories burned by an average person are based on their basal metabolic rate and...
Calories are your body's energy supply. They come from fat, protein, glycogen and carbohydrates obtained from food and stored in your body. Several factories contribute to how many calories your body uses and how many it needs. Depending on your...
Your body uses energy constantly, even while you sleep, and the energy required to keep your body alive is called your basal metabolic rate, or BMR. Many factors contribute to your BMR, including your age, sex, activity level, muscle mass,...
If you're trying to lose weight, one of the top questions on your mind is probably, "How long will I have to wait to see results?" In reality, many factors can influence how quickly the weight comes off. Although you may be eager to ditch the...
The body derives chemical energy by breaking chemical bonds found in proteins, carbohydrates, fats and other ingested foods and nutrients. Metabolism refers to chemical reactions that occur at the cellular and molecular level for energy...
Many nutrition experts recommend eating three meals and two to three snacks every day. Eating more frequently throughout the day keeps the metabolism elevated and the body energized from morning until night. Calories should be divided evenly...
Along with the number of calories you eat, the number of calories you burn each day controls whether you gain, lose or maintain your weight. A number of things influence the number of calories you burn, including your age, gender, height, size and...
Your metabolism drives your calorie burn each day. The number of calories your body uses at rest is your basal metabolic rate. Different factors, including your age and dieting history, can reduce your metabolism. While you cannot control your...
Figuring out how many calories are burned in a day begins with the basal metabolic rate and factoring in activity levels. This is the basis of controlling weight and improving health.
MayoClinic.com defines metabolism as the process by which your body converts the calories you consume into energy. During metabolization, calories are combined with oxygen and produce energy as a byproduct. Your basal metabolic rate, or BMR, is...
An important component of a weight-loss program is knowing how many calories you should be taking in. Oftentimes, individuals work out most days of the week, but see no weight loss. One reason people don't lose weight despite working out is...
Increasing your metabolism and increasing the total number of calories you burn in a day are two sides of the same coin. Your basal metabolic rate -- the number of calories your body burns at rest each day -- relies in part on your genetics. Your...
How many calories a human body burns in a day depends on criteria that are different for each person. Knowing these criteria is an effective first step in losing, gaining or maintaining your current weight.
Metabolism is a general term for all of the physiological processes in your body that convert calories into energy, such as breathing, muscle contraction, food digestion and maintenance of body temperature. When people talk about a slow...
A sensible weight loss plan requires you to calculate the number of calories you should consume each day. This requires you to estimate the number of calories you burn each day and the rate at which you wish to lose weight. These calculations are...
An athlete has different nutritional needs than a sedentary person due to the demands placed on body systems during high levels of physical activity. Some sports and fitness activities have specific dietary guidelines intended to maximize...
For general healthy eating, many nutrition experts recommend "grazing," or consuming smaller meals more often. Eating more frequently throughout the day keeps your metabolism elevated and your body energized from morning until night. Energy, in...
The rate at which your body burns calories at rest is called the Basal Metabolic Rate. Depending on factors such as your height, weight, age and gender, this number can help you determine how many calories you are burning on a daily basis versus...
The amount of calories you burn during a jog depends on certain factors, including body weight, age and gender. Understanding how these factors determine caloric expenditure will assist you in determining calorie needs for certain weight goals.
Physical demands from a 10 mile run requires planning your nutrition to maintain energy stores in the body before, during and upon completion of your run. Determining the amount of calories to eat begins with understanding your personal calorie...
A body's metabolism is the main process by which it converts food and drink into energy. According to the Mayo Clinic, individuals can develop a slow basal metabolic rate (BMR) due to a number of factors such as body size and composition, gender...
Because men usually have more muscle and less body fat than their female counterparts of the same age and weight, they end up burning more calories. If they are large and have more muscle, they burn more calories, even at rest. As you get older,...
For general healthy eating, many nutrition experts recommend eating three meals and two to three snacks daily. Why? Eating more frequently throughout the day keeps your metabolism elevated and your body energized from morning until night. Calories...
How long it will take to lose weight on any diet depends on the calorie deficit you create. One pound is equivalent to a deficit of 3500 calories. This can be created with exercise, reduction of food intake or a combination of both. A 1600 calorie...
Calories are units of energy that drive body processes and make it possible for you to live. With the exception of water or diet soda, virtually all other foods contain at least a few. As Kids Health notes, to maintain a healthy weight you need to...
Your metabolism describes the myriad biochemical reactions that take place in your body to keep it functioning. Metabolic disorders such as hypothyroidism or diabetes can foster weight gain which can in turn exacerbate those disorders as you...
If you are struggling to lose weight, fight back on several fronts. Eat a nutritious diet low in saturated fats and balanced in macronutrients throughout your day. Couple healthy eating habits with a consistent exercise routine to blast fat all...
The process through which the body transforms food into energy is called metabolism. It's a biochemical process that combines the calories in food and drink with oxygen to give the body the energy it needs. In addition to providing fuel for...
Your body burns a certain number of calories conducting the everyday processes that keep you alive: digestion, breathing, heartbeat, among others. This number is called your basal metabolic rate, or BMR.
