Each state of the United States selects two senators to represent their states in the United States Senate. In 1913, the 17th Amendment[?] to the United States Constitution provided for the direct popular election of senators; prior to this, senators were selected by state legislatures.
... a possible placebo effect).
Numerous diet programs use people's concern over their image, as a way to make money. They sell books and videos, often with ridiculous ideas ...