C experiment because you can do experiments on people by giving them extra sugar to see who they react
<span>With the given statements in the choices presented, the one that is not correct about the drugs and supplements is that these are ineffective and expensive. As it can be observed, most of them are affordable to accommodate the needs of the general public. These substances are also effective as they are use to relieve many diseases. </span>
Anitianxiety medications such as valium and xanax, work by increasing GABA activity in the brain.
I hope this helps.
