You can reach your tallest height and increase your overall health if you start working out with weights when you are young. Resistance doesnt have to come from weights.
Weight Training Wikipedia
Does weight lifting increase height. While you can control your body mass to some extent by gaining or losing weight you cant change your height or your bone structure. All in all most of a persons bmr is determined by genetic. It is not useful to increase at a faster rate unless you have dramatically surpassed your target number. Resistance tubing and body weight exercises such as pushups are other effective options. In most cases one or two sets of 12 to 15 repetitions are enough. Rob raponi a naturopathic doctor and certified sports nutritionist says the misconception that lifting weights stunts growth likely stems from the fact that injuries to growth plates in.
In general you can increase the weight of dumbbells in 1 pound 5 kg increments. Many people worry that exercise especially weight lifting can be detrimental to your height. Kids can safely lift adult size weights as long as the weight is light enough. Some of this concern is specific to children and adolescents whose growth plates havent closed. However weightlifting benefits are not only for young people. In this case and this case only you can make a larger increase.
As long as you are in good health you can start lifting weights if you are middle aged or older.