Consult a doctor for the best course of action to take. A lifestyle change in addition to a good diet will definiatly contribute in the fight with weight-loss.
In general, assuming one is of average health with no disorders impacting weight; 1) Moderate exercise ever day, such as walking, bike riding, swimming, etc. 2) Several small, low calorie meals (concentrating on lean proteins and fresh vegetables and fruits) during the day as opposed to 3 larger meals at breakfast, lunch and dinner. 3) Education, will power, and persistence is the key to make the above mentioned possible. Also, you will to avoid sugary foods (sodas, cakes, cookies, candy) and foods high in saturated fats (full fat dairy, fatty meats, donuts, etc). Avoid highly processed foods filled with chemicals and preservatives. Study nutrition and get to know yourself. Be patient. Weight loss that comes all at once from a "crash diet" is more likely to return than weight lost in small increments over an extended period of time. View this "diet" as a permanent lifestyle change, not as a short-term fix to a weight problem.
Eat less and exercise.
The amount of weight you should lose at the age of 23 years old would depend on how overweight you are and how tall you are.
i say you eat more..
If your 11 years old the best things to do to lose weight are: 1.Watch what you eat (not necessarily the amount but the things you consume ex. junk food, you can replace junk food with a healthy alternative such as fruit). 2. Get involved in physical activities.
you can make them walk with you
diet and excercise. its not safe to lose weight fast regardless of age.
Eat healthy and stay active
Eat less and exercise more.
Jogging, or any kind or cardio workouts can help you lose weight.
a 75 years old man is like a concrete block, once its set , there is no lose ends.(calories)
lose weight.
If you are 11 years old, then exercise for the enjoyment of it. You will look and feel better, even if you do not lose any weight. Do not try to lose weight unless your doctor tells you to do so. You can harm your health.