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Cataract

Test Shows Vaccine Prevents Cervical Cancer

By LINDA A. JOHNSON, AP Business Writer 

TRENTON, N.J. - The first major study of an experimental vaccine to prevent cervical cancer found it was 100 percent effective, in the short term, at blocking the disease and lesions likely to turn cancerous, drug maker Merck & Co said.

Gardasil, a genetically engineered vaccine, blocks infection with two of the 100-plus types of human papilloma virus, HPV 16 and 18. The two sexually transmitted viruses together cause about 70 percent of cervical cancers.

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CATARACTS: Could lead poisoning be to blame?

Lead is one of the most toxic metals known to man - and it's everywhere in our environment. It tends to settle in our bones, and it has already been blamed as a possible cause of various chronic disorders, usually associated with ageing, such as hypertension and cognitive decline.

But researchers are now linking high lead levels to cataracts, still the major cause of blindness in the world. A research team from the Brigham and Women's Hospital in Boston has made the connection after studying the health records of 795 males who participated in an ageing study.

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