If we give some credit to this hypothesis then yes, we will have a pill to slow down aging. It can go from a simple aspirin[3] (baby-aspirin anyone?), to the dangerous DNP in a low-dose, controlled release formulation[4], the novel cationic uncouplers [5], or the safe mitoBHT [6].
That said, you can just get a cold shower every morning[7]
I am even researching this area to treat my primary mitochondrial disfuntion[8]
[1] In simple terms, it means that the mitochondria generates less energy in the form of ATP and more energy as heat.
[2] http://www.ncbi.nlm.nih.gov/pubmed/21483800
[3] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC316328/
[4] http://onlinelibrary.wiley.com/doi/10.1046/j.1467-789X.2001....
[5] http://www.ncbi.nlm.nih.gov/pubmed/26071782
[6] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2267406/