They should eat more protein and more often and exercise frenquently.
Excersize and eat healthy foods with lots of protien, fats, and calories.
no
Steroids
The average weight gain for a one year boy is to triple their birth weight. Most children that are one year old have grown by 50 percent and have gained 9 to 11 inches since birth.
Dear friend, There are young boys who think that that they can gain weight by eating tons and tons of junk food, but let me tell you, this will not do you any good and may hurt you in the future. If you want to gain weight, there are some simple steps that can be achieved. Exercise, gain muscle! Go to the gym 4 days a week and lift some weights, do simple things like this and you should be good to go! The key is muscle gain, not weight gain. Good luck!
yes
Your training and calorie intake probably suck. Go read Starting Strength by Mark Rippetoe.
just eat at fast food spots
There are protien shakes that help you gain permanet weight if you are having trouble with this.
Eat normally. Then eat some more. herbalife
To gain muscle for a teenage boy, you have to do some exercise every two days like running or cardio. You can go in a gym and do some cardio. It's good for you muscle.
Anything unatural shouldn't be considered safe. You can give him "Gain powder" but i suggest you visit your MD before doing so.
Depending on the stature and bone mass the weight of a 5 foot boy should be around 120-150 pounds. If the weight is less it could simply be because there is less muscle on the particular boy, or over 150 could mean there is more muscle.