Tập thể dục. Hạn chế hấp thụ nhiều calo.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Exercising your whole body to lose weight will eventually reduce fat in the facial area, too. In fact, it's very difficult to lose weight in just your face, and that's often the last place to thin out. Starting a steady exercise routine with cardio and strength training can put you on the path toward a thinner face.  Running, swimming, and biking are all great cardio activities. Plan to do one of these activities for at least 1/2 hour 4 times a week. Go to the gym and meet with a personal traine