California school districts could decide whether to allow their K-12 students who use cannabis for medical conditions to consume it on campus under a bill passed by the state Legislature on Monday and headed to Gov. Jerry Brown.

Study reveals specific data and stats to prove that cannabis is successfully replacing Schedule III opioid prescriptions.

Kyle Johnson, who is 68, swears by cannabis for treating back pain and insomnia. Martha Macbeth, 63, uses it to soothe her sciatica and get a good night’s sleep.

Both Californians are part of a surging new wave of senior Americans turning to cannabis to ease aches and pains as the craze for the drug spreads across the country and more states legalize it.