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Too much salt causes heart
, high blood pressure, and
. The WHO says we should have
than 5 grams a day. In Japan, the
person has around 10.1g of salt a day. A lot of salt in our
comes from processed foods, and from soy
. The Electric Salt Spoon costs 19,800 yen (around $99). Its
hopes to sell a million of
over the next five years. The spoon's
has also created electric
.