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.
Physical effects. 1  Breathing problems. 2  Marijuana smoke irritates the lungs, and frequent marijuana smokers can have the same breathing problems that tobacco smokers have. 3  These problems include daily cough and phlegm, more frequent lung illness, and a higher risk of lung infections.arijuanaâs effects on these abilities may last a long time or even be permanent. For example, a study showed that people who started smoking marijuana heavily in their teens and had an ongoing cannabis use disorder lost an average of eight IQ points between ages 13 and 38.