# Medical science * body rejuvenation unknown to, [[sb/9/3/11#purport|SB 9.3.11]] * Dhanvantari started, [[sb/9/17/4#purport|SB 9.17.4]] * in Vedas, [[sb/2/7/21#purport|SB 2.7.21]], [[sb/2/9/34#purport|SB 2.9.34]] * male-female transformation via, [[sb/9/1/33#purport|SB 9.1.33]] * modern, soul’s existence denied by, [[sb/2/9/34#purport|SB 2.9.34]] * vegetables used in, [[sb/2/10/23#purport|SB 2.10.23]]