Some of the genes associated with the Ehlers-Danlos syndromes, including COL1A1 , COL1A2 , COL3A1 , COL5A1 , and COL5A2 , provide instructions for making pieces of several different types of collagen
References: Tobacco and its effects on lungs: Impact of smoking on Lungs Smokers Lungs vs Normal Lungs Effects on 1-Year Smoker and 20-Year Smoker: Preventive Tips How to Get Back Healthy Lungs After Smoking Frequently Asked Questions: What are some common digestive disorders
Earlier in June, Tobacco Prevention and Control Research Center announced that about 12 percent of Iranian adults above 15 years old are daily smokers
Time: 90s, year 1996 Place: san francisco, los angeles, usa, oakland california, toronto ontario canada