By: GeneMachine
Views: 53 | LoveIts: 0
Description: Aging in Humans causes the thymus to shrink. T Cells are produced at lower levels as humans age. HIV infections also cause T Cells to fail and the thymus to shrink. The disease AIDS is this progressive T cell failure of the human immune system. Growth hormone resurrects the adult human thymus during ... show more
By: tornado5
Views: 7 | LoveIts: 0
Description: This is my science project on stem cells. The link for the video I mention several times (bear in mind, it is, I repeat, it IS on youtube) is: http://www.youtube.com/watch?v=eXO_ApjKPaI My sources for this were: allaboutpopularissues.org www.nih.gov A Popular Science article
