They should be treated with respect because they are old then us and cant do as much things as we can.
Oxygen-free radicals that are very proactive molecules with every cellular module/component
The long-term effects of damage to your lungs (possibly lung cancer) and the possibility of giving those around you second-hand smoke.
To qualify as a professional mental health provider, you would C. have completed rigorous training and received a license.
hope this helped!