These studies were small scale, and do not provide conclusive evidence, so further research is needed. The drug is illegal in the UK and cannot be prescribed. The Alliance for Cannabis Therapeutics is campaigning for changes in the law. Techniques can vary in strength. Cranial osteopathy involves gentle manipulation of bones in the head and spine.
Some herbs can produce serious side effects, or react dangerously with conventional medicines.
Chinese herbal remedies sometimes include animal products. A homeopath will take account of a range of factors in addition to a persons symptoms, matching remedies to the individual. I trust my acupuncturist totally. I don't go more than once a month. It really hurts sometimes, but I think it helps my back problems and my walking.