Long used in traditional Chinese medicine, greater celandine is a type of herb often touted as a natural treatment for cancer. Said to boost the immune system, greater celandine is also purported to fight health problems ranging from asthma to atherosclerosis.
In laboratory studies, scientists have demonstrated that greater celandine may help induce apoptosis (a type of programmed cell death involved in stopping the spread of cancer cells). However, there is currently a lack of high-quality clinical trials testing the effectiveness of greater celandine against any type of cancer.
Although no type of natural remedy or supplement is known to prevent cancer, there's some evidence that sipping green tea on a regular basis, maintaining optimal levels of vitamin D, and increasing your intake of the omega-3 fatty acids found in fish oil may offer some protection against cancer....Read the article: Greater Celandine - What You Need to Know.