Many people knew for decades that cannabis cures most types of cancer, and in 1972, the US Government (Nixon) conducted 2 years of experiments and research, concluding this. Nixon was angry and embarrassed, because he had hoped it would reveal the opposite - that cannabis causes cancer. He had the scientists go quiet about the results, and kept the research from being spread through the medical community. He began his "War on Drugs" about 45 years ago, which, based on the lie that cannabis is dangerous and harmful, has imprisoned millions of peaceful people and killed thousands of innocent men women and children. In the 1990s, new scientists re-discovered the knowledge and it has spread throughout the internet ever since. If you don't know where to search for scientific knowledge, try here.
Cannabis cures cancer and many other illnesses, because every mammal has an "endocannabinoid system", made of natural cannabinoids made by our bodies, and receptors in our organs and nervous system. When activated by our own cannabinoids (or from plants), these receptors control pathways that regulate our health and happiness. We would die without cannabinoids. Babies can only be conceived because of our endocannabinoid system. Without it there would be no humans, and almost no other animals either. This information is not taught in most college classes, even in 2019, but it has been confirmed by all the world's major hospitals and universities. If you want this knowledge you must go and find it.
Thank you for being open to the truth. You can find this info all over the internet and in printed publications, from trusted sources like Harvard. Even CNN has reported this recently, so there's no excuse for people to remain ignorant.