The seed inside a peach contains an almond-like nut which holds a potent anti-cancer medicine called laetrile.
Peaches, nectarines, plums, apricots and almonds are all closely related fruit trees with very similar pits. In all these fruits, the pit must be broken open to reveal the almond-shaped (and sized) kernel within.
In fact, this is what almonds actually are: the kernel within the pit of the fruit of the almond tree! The kernels of all these species contain high concentrations of a chemical known as laetrile, amygdalin or vitamin B-17.
Research has suggested that laetrile induces programmed cell death in cancer cells while leaving healthy cells alone. This appears to occur because the chemical is actually composed of four separate molecules: two of glucose, one of benzaldyhide and one of cyanide. The latter two chemicals are toxic, but are bound up in a non-bioavailable form. Cancer cells contain an enzyme that healthy cells do not, however, known as beta-glucosidase. This enzyme actually breaks apart the component pieces of laetrile, and the cell is poisoned by a combination of benzaldyhide and cyanide. Healthy cells do not undergo this effect.
Claiming that laetrile was ineffective and toxic, however, the US medical establishment successfully persuaded the FDA to ban it in 1971.
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