Among other medicinal plants Hibiscus sabdariffa (roselle), is known to reduce BP using its ability to inhibit ACE (Ojeda et al., 2010), while Camellia sinensis (Tea) extracts can reduce hypertension by significantly increasing brachial artery flow-mediated dilation (FMD) (Ras et al., 2011). The gene discussed is ACE; the disease is hypertensive disorder.