The haulm of certain Ephedra species (Ephedra nevadensis, Ephedra viridis) has traditionally. been used by North American Indians to prepare daily infusions and medicinal teas (USDA-NRCS, 2006a; USDA-NRCS, 2006b). Food supplements containing ephedra alkaloids are used mostly for weight loss and to enhance.
Definition of emphasize for English Language Learners. : to give special attention to (something) : to place emphasis on (something)
Definition of subtle for English Language Learners. : 1  hard to notice or see : not obvious. : 2  clever and indirect : not showing your real purpose. : 3  having or showing skill at recognizing and understanding things that are not obvious.