Diet pills are harmful because the main ingredient in many diet pills are stimulants that have been found to increase risk for heart attack and stroke.
The building blocks of proteins<span> are </span>amino acids<span>, which are small organic molecules that consist of an alpha (central) carbon atom linked to an </span>amino<span> group, a carboxyl group, a hydrogen atom, and a variable component called a </span>side chain<span> (see below). ... The</span>side chains<span> of </span>amino acids<span> have different chemistries.</span>
