
By BY DONALD G. MCNEIL JR. AND PORAS CHAUDHARY from NYT Health https://ift.tt/374aTrG


People who regularly use marijuana tend to have a larger left ventricle, which is the main pumping chamber of the heart, according to the findings.
The amount of carbon dioxide -- a greenhouse gas -- produced by a species is determined by its average metabolic rate, average body size and the total number of individuals of the species.
The new guidelines reinforce the importance of routinely screening 18- and 24-month-olds for the condition, which now affects one in every 59 children.