2009 family smoking prevention and tobacco control act U.S. President Barack Obama shakes hands with Hoai-Nam Ngoc Bui of the Campaign for Free Kids (14 years old) after signing the Tobacco in the U.S. President Barack Obama applauds

- After soaking, scrub and rinse the vent covers and registers

Kelly and his thrill-seeking brothers would jump off a 75-foot-high steel bridge into the Allegheny, which was 20 feet deep

"You can get the nicotine out of your system in three days, but the emotional component, why we smoke those moments where you're at a dinner party and you're feeling uncomfortable so you get up from the table and your excuse is, 'I'm going to go have a cigarette outside' or you're nervous to talk to a guy you like or a girl you like or whoever you like and say, 'hey, do you have a light?' There's so many things that we become reliant onThere's all of these kind of pathways in our brain that become so attached to, 'this is helping me

And that almost killed me." Numerous news outlets picked KSAT's story up, reporting that Nelson has given up smoking pot -- but, the star's son, singer-songwriter Lukas Nelson, clarifies, that's not the whole story