It is often heard that some stars have changed a lot in a few months for acting needs. This requires strict diet control and professional guidance, and the effect will be immediate.
It is also common for some people to fish for three days and dry the net for two days, but they will gain weight after one year of fitness.
Some people don't go to the gym, but they can always keep in good health by conscious schedule, reasonable eating habits and regular fitness exercise.
In recent years, the popular unarmed fitness, natural fitness is a good example, as long as you want, in fact, fitness muscles are close to you.