自20世纪70年代以来，针对非洲蛇咬的抗蛇毒素生产厂家数显著减少。
Since the 1970s, the number of manufacturers of anti-venoms against African snake bites has dropped dramatically.
描述大自然的法则是海带采自深的海洋，因为靠近海岸的海带可吸收许多重金属和毒素。
Description Nature's Way Kelp is collected from deep in the ocean because Kelp close to shore may absorb many heavy metals and toxins.
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