racial makeup definition, racial makeup meaning | English dictionary. Search also in: Web News Encyclopedia Images. racial. adj. 1 denoting or relating to the division of the human species into races on grounds of physical characteristics. 2 characteristic of any such group. 3 relating to or arising from differences between the races. racial harmony. 4 of or relating to a subspecies. â¦ racially adv.
WebMD News Archive. Jan. 10, 2012 -- Woodstock generation, breathe easy. One of the largest and longest studies ever to look at the effect of marijuana smoking on lung health finds that pot smoking doesnât appear to cause chronic breathing trouble. The study has followed more than 5,000 young adults in four cities for more than two decades.
Recent research findings also indicate that long-term use of marijuana produces changes in the brain similar to those seen after long-term use of other major drugs of abuse. Effects of marijuana on the Lungs: Someone who smokes marijuana regularly may have many of the same respiratory problems that tobacco smokers have. These individuals may have daily cough and phlegm, symptoms of chronic bronchitis, and more frequent chest colds.