Complex sentence: Research has shown that Helenin (alantolactone) has a positive effect against some cancers and has proven to be effective in the treatment of inflammation, bacterial infections, asthma, some cardiovascular diseases, diarrhea, fungus infections, roundworms and migraines.
Split into simpler sentences: Research has shown that Helenin has a positive effect against some cancers. It has proven to be effective in the treatment of inflammation, bacterial infections, asthma, some cardiovascular diseases, diarrhea, fungus infections, roundworms and migraines.