You've done great research and learning, and your patient and his family will certainly benefit from the information you share with them. This new information may even help Grandma decide to stop smoking altogether; we can only hope. Continue to spread awareness about THS to your patients and your colleagues. Which of your family or friends may also benefit from this knowledge? Knowledge is power, especially knowing prevention and mitigation of toxin exposures!
For more information on THS . . .
https://tobacco.ucsf.edu/california-consortium-thirdhand-smoke
Thirdhand Smoke 