Can you get high if sitting for a long period of time right near someone that smells like weed(cannabis) in a non ventilated room?how harmful is it?

Not to worry: Just sitting near someone who smells of weed will not give you a high nor will you have any adverse effects from it. Wish you good health! - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.