MSN -   Pass the joint, teens and young adults: Middle-aged and older people are using significantly more marijuana these days.

ars technica -  In mice at least, although humans might want to be cautious.

Tech Insider -   High schoolers now report using marijuana more than cigarettes or cigars, according to a US Centers for Disease Control and Prevention report released Oct. 15. 

SILIVE -   CITY HALL -- A Staten Islander confronted Mayor Bill de Blasio on Thursday about having to smell marijuana across the city. 

Medical Daily -   A new study finds people who have smoked pot more than 100 times are significantly more likely to have prediabetes when they reach middle age. Prediabetes means your blood sugar is higher than normal, says the Mayo Clinic, though not as high as a type 2 diabetes diagnosis. While prediabetes can progress to diabetes, the new study surprisingly does not draw a link between marijuana use and diabetes.

The Atlantic -   A side effect of a federal drug law has left legal pot farmers without any approved pesticides—and as a result, many have turned to harmful chemicals to protect their crops.

USA Today -   (NEWSER) – Smoking pot could damage your semen quality, or so suggests a new study out of Denmark. Some 1,215 Danish men ages 18 to 28 were asked about their drug use over the past three months and provided a semen sample. The researchers found a correlation between men who smoked pot more than once weekly and "quite a lot" of a drop in sperm count: the count was an average 29% lower in these men than in those who reported lighter or no usage. Those who reported additional drug use (anything from cocaine to ecstasy) saw an even more severe reduction, with average sperm count down 55%.

NIDA -   2015 Oral Abstract Presenter, Cecilia L. Bergeria from University of Vermont, Burlington shares a summary from her abstract, "Surveying lactation professionals regarding breastfeeding and marijuana use," at the College on Problems of Drug Dependence Annual Meeting. #CPDD15 #CPDD2015

Tech Times -    Marijuana is now widely accepted and legalized in some states in the U.S., for the purposes of medication and recreation, with certain limits.

NPR -   Farmers who grow marijuana for Colorado's legal market are running into problems as they try to control mildew and pests. Because of the plant's illegal status at the federal level, a main source of agricultural guidance isn't available to pot farmers.