Sentences with phrase «prolonged use of marijuana»

These increases * in brain connectivity are both structural and functional and although they compensate for gray matter loss, it starts degrading with prolonged use of marijuana.

Not exact matches

This was before Mackey had won a single Iditarod, let alone four straight; before he used what he calls his marathon style — catnapping as his sled moves and covering 100 - mile chunks at a moderate pace without prolonged rest, instead of sprinting from rest stop to rest stop like most other racers — to win an unprecedented double (the Yukon Quest, the world's other 1,000 - mile dogsled race, and just weeks later the Iditarod) not once but twice; before he became so dominant that slower competitors complained they had no chance to finish within five days of him (the requirement for an official place and a commemorative belt buckle); and before a rival pushed for drug testing at the 2010 Iditarod, suspecting that Mackey's secret was his prescription for medical marijuana to alleviate the side effects of cancer treatment.

This dearth of evidence has a number of explanations: serious lingering reactions, if they exist, occur after prolonged use, rarely after a single dose; marijuana has no known medical use, unlike LSD, so scientists have had little reason to study the drug......

Two characters smoke marijuana during a prolonged scene of drug use.