what is a calorie?
http://www.merriam-webster.com/dictionary/calorie
A calorie is a unit of measurement used to quantify energy. Specifically, it measures the amount of energy required to raise the temperature of one gram of water by one degree Celsius. In the context of nutrition, a calorie is used to express the amount of energy that food provides to the human body.
To find a more detailed understanding of what a calorie is, you can try the following:
1. Use reliable sources: Start by researching the definition of a calorie in reputable scientific websites, nutrition books, or online dictionaries to gather accurate information.
2. Understand energy measurement: Familiarize yourself with the basic concept of energy and how it is measured in different fields, such as physics and nutrition. This can help you grasp the context of calories in relation to energy.
3. Consult science textbooks: Look for any relevant material in biology or nutrition textbooks, which provide detailed explanations of calories and their role in human metabolism.
4. Search for scientific studies: Explore research papers or articles published in scientific journals focusing on nutrition and metabolism. These sources often provide in-depth discussions on the concept of calories and their effects on the body.
Remember, it's essential to verify information from multiple reliable sources to ensure accuracy and understanding.