Pills may prevent blindness, but at what cost? Beta carotene, maybe zinc, could be risky for some.
D001766:Blindness / Q000517:prevention & control; D002986:Clinical Trials as Topic; D000075202:Contraindications; D019587:Dietary Supplements / Q000009:adverse effects*; D004348:Drug Labeling; D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced / Q000517:prevention & control; D008268:Macular Degeneration / Q000517:prevention & control*; D008297:Male; D011471:Prostatic Neoplasms / Q000139:chemically induced; D012907:Smoking / Q000009:adverse effects; D015032:Zinc; D019207:beta Carotene
D019207:beta Carotene; D015032:Zinc