can marijuana damage your kidneys
Kidney's & Cannabis studies completed. Cannabis marijuana has not been shown to cause changes or damage to the kidneys. In fact, it has never been shown to cause any kind of permanent damage to the lungs, heart, liver, kidneys, brain or any of the other areas of the body it is said to affect.
GIVE A GIFT. Marijuana makes blood rush to the head. Smoking marijuana can affect blood flow in the brain so much that it takes over a month to return to normal. And for heavy smokers, the effects could last much longer, a new study suggests.