These include studies of the therapeutic value of CBD for: 1  Treatment of substance use disorders (opioids, alcohol, cannabis, methamphetamine) 2  Attenuation of the cognitive deficits caused by THC. 3  Neuropathic pain due to spinal cord injury.  Mitigating the impact of cannabis use on risk for schizophrenia.
Every fourthyear is a leap year, as a rule of thumb. But that's not the end of the story. A year that is divisible by 100, but not by 400, is not. So 2000 was a leap year under the Gregorian calendar, as was 1600. But 1700, 1800 and 1900 are not leap years.
BahÃ¡'Ã­ Leap Year. The BahÃ¡'Ã­ leap year occurs when five extra days are added between the last two months of the calendar. Leap years usually occur every four years. more. Islamic Leap Year. A leap year in the tabular version of the Islamic Hijri calendar occurs 11 times in a 30-year cycle when one day is added to the last month of the year. more