Yes, it's possible vary by the teenagers parents' height.
yes
Possible yes probable no. Highly unusual after 18/19
It is only possible to increase one's height if there was a medical condition inhibiting growth in the first place or a person has not finished growing. There are also rumoured surgical procedures to help lengthen a persons legs.
Yes you can increase height,but not alot You can increase like 1/2 an inch
yes
yes
Yes, 1cm.
yes it does and no it dosent
Yes, absolutely.
yes
yes.
Yes. Of course. It is prove it.