Article in English: If you're looking to get big, working out should be a major part of your life. However, it shouldn't be the only part of your life. Pushing yourself too hard won't just leave you tired, unmotivated, and unhappy — if you don't get enough rest, it will also make it harder for you to put on muscle. Most important of all, several over-exercise can lead to several dangerous health conditions, including:  Pulled muscles, torn ligaments, etc. Joint pain Spinal problems Very rarely, heart attack, stroke, or aneurysm (if predisposed to these conditions.) Rhabdomyolysis (life-threatening; if you experience extreme muscle soreness and dark urine, contact a doctor immediately) When you start a muscle-building routine, the sudden spike in your energy levels may leave you with an increased appetite, so it may be tempting to simply "pig out" and eat whatever you want. Don't give in — you can increase your caloric intake somewhat, but increasing it too much will leave you with a big surplus of calories that your body will convert to fat. Over a long period of time, this can make you "big," though not in the sense you probably wanted, so try to keep your natural urge to eat more in check.  In general, you'll feel fullest if you stick to a diet of lean proteins, whole wheat grains, fruits, vegetables, and  healthy fats (as recommended above.) On the other hand, processed snacks won't usually "fill you up" in the long term. This means that sticking to a healthy, natural diet will usually keep you from overeating (though it's certainly possible to eat too much of foods that are healthy. To keep your eating under control, try using a calorie counting application like the one at MyFitnessPal.com. If you desperately want big muscles, it may be tempting at times to use certain illegal shortcuts to reach this goal. Resist this urge. Steroid and other illicit exercise aids may seem to get quick results, but they're not worth the associated health risks, which, depending on the drug, can be quite serious. For example, anabolic steroids...

Summary in Vietnamese:
Không nên buộc cơ thể làm việc quá sức. Không lơ là vấn đề ăn uống. Đừng lệ thuộc vào thuốc và steroid.