Health Report: Jan. 31, 1994

THE GOOD NEWS

-- When coronary arteries are clogged, smaller arteries expand to take over some of the blood flow. A new drug, still unnamed, has been shown to enhance the process in dogs. If it works in humans, it could be a cheaper, safer alternative to standard bypass surgery or balloon angioplasty.

-- Nicotine gum, nasal sprays and patches have now been definitively proved effective in helping the motivated quit smoking.

-- Doctors now understand, after 40 years of using it, how one antituberculosis medication works: Isoniazid interferes with a protective coat around the TB bacillus. The discovery may lead...

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