. ▁ ▁New ▁ph arma ce ut ical ▁ther ap ies ▁in ▁clin ical ▁development ▁include ▁my ost atin ▁and ▁the ▁select ive ▁and ro gen ▁re ceptor ▁mod ul ators ▁( S AR M s ). ▁Non ster iod al ▁S AR M s ▁are ▁of ▁particular ▁interest , ▁given ▁they ▁exhib it ▁significant ▁select ivity ▁between ▁the ▁an abol ic ▁effects ▁of ▁test oster one ▁on ▁mus cle , ▁but ▁with ▁little ▁to ▁no ▁evidence ▁of ▁and ro gen ic ▁effects ▁( such ▁as ▁pro state ▁stim ulation ▁in ▁men ). ▁ ▁See ▁also ▁▁ ▁C ach ex ia ▁Age ing ▁Fra ilty ▁synd rome ▁Ger iat rics ▁ ▁References ▁ ▁Further ▁reading ▁ ▁External ▁links ▁▁ ▁Category : A ging - associ ated ▁dise ases ▁Category : G er iat rics ▁Category : Re h abil itation ▁medicine ▁Category : S en esc ence <0x0A> </s> ▁The ▁din osa ur ▁r ena issance ▁was ▁a ▁small - scale ▁scientific ▁revolution ▁that ▁started ▁in ▁the ▁late ▁ 1 9 6 0 s , ▁and ▁led ▁to ▁renew ed ▁academic ▁and ▁popular ▁interest ▁in ▁din osa urs . ▁It ▁was ▁spark ed ▁by ▁new ▁discover ies ▁and ▁research ▁indicating ▁that ▁din osa urs ▁may ▁have ▁been ▁active ▁and ▁warm - blo oded ▁animals , ▁rather ▁than ▁cold - blo oded ▁and ▁sl ugg ish ▁as ▁had ▁been ▁the ▁prev ail ing ▁view ▁and ▁description ▁during ▁the ▁first ▁half ▁of ▁the ▁tw enti eth ▁century . ▁ ▁The ▁new ▁view ▁of ▁din osa