english: Stem cells also play a role in regulating the growth cycle, and so scientists are investigating whether they can manipulate the activity of these cells to encourage follicles to start producing hair again.
non_english: Stem ćelije takođe igraju ulogu u upravljanju ciklusom rasta i naučnici istražuju da li uz pomoć njih mogu da manipulišu aktivnošću ovih ćelija kako bi podstakli folikule da ponovo proizvode kosu.