Food is any substance consumed by an organism to sustain life and growth. It can be from plant or animal sources and contains essential nutrients such as carbohydrates, fats, proteins, vitamins and minerals. The human body requires a wide variety of foods to maintain good health, but some foods, such as added sugars, saturated fats and sodium, may have a negative impact on our health if eaten in excess.
The type of diet people eat depends on their culture and location. For example, some cultures have a tradition of eating vegetarian while others prefer meat-based dishes. Many of the same foods are enjoyed in various cuisines worldwide, but the recipes are often altered to suit local tastes and ingredients.
Before agriculture, most people were hunter-gatherers and depended on a diet of locally available foods. In more recent times, technological and transportation advances allowed people to eat a wider variety of foods from farther away. People also developed new methods of preserving foods to allow for longer shelf-life, including cooking and canning.
People in the United States are known for loving their fast food and barbecue, but many Americans can make healthier choices when dining out. Choosing items such as salads, lean meats and whole grains can help reduce the amount of calories, fat and salt in their diet.
Buying local produce is another way to increase the nutritional value of a meal. It is typically fresher and tastier than store-bought products, and it supports the economy of the local community. Many farmers markets have bulk bins where you can purchase spices, nuts and dried fruits in larger quantities for a lower cost. Meal planning and shopping with a list can help you avoid purchasing unnecessary items that may not align with your dietary goals.
Eating a variety of foods is important to keep your diet interesting. Try new dishes and recipes but be sure to include some staples to provide the nutrients your body needs. When dining out, watch portion sizes and choose entrees that are low in fat, salt and added sugar. Having an occasional treat is fine, but adding too many sweets, sodas and candy to your diet can lead to obesity and health problems like diabetes and heart disease. Be sure to check food labels for added sugars, saturated fats and sodium, which are found in many processed foods.