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.
Smoking one marijuana cigarette has the immediate effect of increasing heart rate and blood pressure as much as 50 percent. Marijuana increases the amount of toxic carbon monoxide in the blood, thereby reducing the amount of oxygen which reaches the heart. Increased blood pressure and changes in the blood vessels are reflected by the typical red or bloodshot eyes of the marijuana user.