thought silver had little practical worth, so they briefly enacted a ban on foreign trade in 1626. But He Qiaoyuan, a native of the Fujian province, argued that silver brought real economic benefits to those merchants who trav-eled to trade with Europeans.
Best for: Falling asleep. Lavender has been helping people nod off for thousands of years. This small, purple flower is one of the most commonly used herbs â it can be turned into essential oils, perfumes, rubs, candles and almost anything else.
Dr Oz: Valerian Tea for Sleep. Dr Oz said that Valerian Root Tea has been used as a sleep aid for many centuries because of a natural compound found in it that promotes good sleep. Valerian Tea is a natural sedative. Dr Oz said that this is the only food on this list that you do not have to have 3 hours before you go to bed! ADVERTISEMENT.