4 ms·
Warning: Saint John's Wort can cause cataracts if used for a long time.
by duckingtest 12y ago
Warning: Saint John's Wort can cause cataracts if used for a long time.
- 6581 12y agoThat is highly disputed - there is only one study suggesting a correlation (not causation).
- duckingtest 12y agoThe causation is simple - hypericin becomes toxic when activated by light. While that doesn't mean that it definitely causes cataracts, given available data I think it's more likely that it does. http://www.ncbi.nlm.nih.gov/pubmed/16814590 http://www.ncbi.nlm.nih.gov/pubmed/16814590 http://www.ncbi.nlm.nih.gov/pubmed/19739671 http://www.ncbi.nlm.nih.gov/pubmed/19739671