We'll let you know when we want your opinions or your aid. Then, by invitation, you may participate in our lives. Although you may sincerely believe these injections will achieve a worthy goal, we may not agree. Knowledge is a single factor with many blind sides. It has a supreme intelligence of its own.
Nature plays an important role as well.
And don't underestimate the power of the mind. Your placebos can attest to this phenomenon. So stop forcing others to submit to your crude and detrimental practices. So you force your human subjects to submit to your procedures against their will, or against the will of their rightful guardians. You violate their bodies and you trespass on their souls.