I came across a program called Grow Taller for Idiots. It taught me that the condition of our spine will affect our height (as much as 2 – 6 inches) which is around 35% of our total height – it provides you with an exercise and diet plan that really works, I recommend this to anyone who feels short and wants to grow NATURALLY. I took the diet and actually grew a whole inch in 6 weeks. For more info go to http://www.howdoigrowtaller.com – believe me its great! Let me know what you think or if you’ve tried it before.
References :

If you are still under 18 or so, you may still grow in height. Not guaranteed.

When I was 13, I grew a foot until I was 14. I think I grew an additional 2 inches after that.

I once knew a young man who went into the service at 18, with height under 6 feet. He was stationed overseas and at 21, wrote his mother that he was 6 ‘5".

This is hell on clothing, as I remember outgrowing shoes etc every couple months.
References :

You’re not supposed to "boost" Your height. If You eat right throughout Your upbringing, and teenage especially, You’ll become as tall as You naturally are supposed to become. Vegetables, meat, milk and eggs are extra important for people who are growing, but they don’t make You grow taller than what nature intended for You.

Good ways to look taller is to look thinner, but be very careful about that! Being too thin is neither healthy nor attractive! Wearing black clothes can make You look thinner. There are many shoes who are supposed to make You taller too.
References :