People all over the world are careless about nutrition facts. They buy food without noticing the nutrition labels or the ingredients that aren't healthy for them. Indeed, not all kinds of food are good for the human body. At the same time, in order for person to be healthy, they need specific workouts and to eat conscientiously. Ultimately, what you eat affects your body in a good or bad way. The human body gets the energy it needs through food by a process called metabolism. In fact, there are two kinds of metabolism, lower and higher. For example, a person with a higher metabolism burns calories faster. This can be very helpful to maintaining a healthy weight. On the other hand, people with lower metabolisms usually gain weight in an easier. Also, people's' metabolisms can be defined by the food they eat. If they eat healthy foods, then they are more likely to have a faster metabolism. Equally important, the body needs essential vitamins and proteins to be healthy. Certainly not all kinds of food out there have the nutrients and proteins the body needs. Many people in these years eat very unhealthy because it's easier for them eating junk food than eating clean. Even though, you can do "macros" and being healthy at the same time. Doing "macros" is the process that counts the calories you have eaten in a day. In fitness life many people use this to get in shape; it helps them to gain muscle also. So people don't have to be in a straight diet, they are allowed to eat junk food but no exceeding the calories they can support. In others words, if you're weight is 120 lb. you're not supposed to eat more than 2000 calories per day. Despite of, it's recommendable to have a diet based on chicken and meat for the high amount of proteins and vitamins they have.
Besides the metabolism and eating healthy or doing "macros" human body needs workouts. Mostly, people think that going to the gym or doing exercises is only for athletics or a person who wants to gain muscles and get in shape.