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The same neural pathways triggered by nicotine and opioids

If theres a way to make money, theyre going to figure it out, says Philip DeCicca, an economist at McMaster University in Ontario, Canada, who studies how cigarette taxes affect smoking rates and buying patterns

After dinner, we stroll south and find Nick Howard, the manager of Kings Leaf Cigar Lounge, sifting through stacks of boxes of cigars, mostly major brands, that stuff his compact humidor

A gel that has helped to protect against HIV infection in women during vaginal sex has also shown strong antiviral effect when used in the rectum, US researchers said Monday