class=quot;p1quot;A pair of scientists in San Francisco found that a compound derived from marijuana could stop metastasis in many kinds of aggressive cancer. A more recent study from the UK found that compounds derived from marijuana can kill cancerous cellsamp;nbsp; in individuals with leukemia. After using cannabis oil to treat her debilitating seizures, six-year-old Charlotte Figi saw her seizures fall from around 300 a week to just three over an eight-month period. - The Huffington Post