Smokers may have higher risk of HIV: study
513313
Smoking, already linked to several   illnesses, may also increase the risk of infection with HIV,   the virus that causes AIDS, researchers said on Thursday.
402333
People who find it difficult to clear nicotine from their body may be more vulnerable to getting hooked on smoking, research suggests.
211279
African American men are nearly seven times more likely to be diagnosed with HIV than white men, according to a report by the U.S. Centers for Disease Control and Prevention released on Thursday.
659208
US researchers have found that a history of smoking can affect survival in patients with cancer of the head and neck. Researchers at the University of Texas MD Anderson Cancer Center said patients who had
481353
There is more evidence to back up a long-standing theory that smokers are less likely to develop Parkinson's disease than people who do not use tobacco products, researchers reported on Monday.
80786
People who smoke are more likely to develop Alzheimer's disease and other forms of dementia than people who have quit or have never smoked, Dutch researchers reported on Sunday.
398298
Otherwise healthy men who smoke  risk developing erectile dysfunction -- and the more cigarettes  they smoke, the greater the risk of erectile dysfunction,  according to a new study.
36283
Independent of cigarette  smoking, infection with HIV, the virus that causes AIDS, is  associated with an elevated risk for developing lung cancer, a  study shows.
322032
Smoking a joint is equivalent to 20  cigarettes in terms of lung cancer risk, scientists in New  Zealand have found, as they warned of an "epidemic" of lung  cancers linked to cannabis.
6181
People under 40 are five times more likely to have a heart attack if they smoke, a study shows.
699994
Women who develop breast cancer are  no more likely to have aggressive or advanced tumors if they  are cigarette smokers than if they do not smoke, researchers  said on Sunday.
53407
Smoking-related heart attacks are not just the preserve of the older tobacco addict, according to new World Health Organisation research.
223000
Smokers of hand-rolled cigarettes tend to consume less tobacco, but face a greater risk of developing lung cancer than those who smoke manufactured cigarettes, a study on Norwegian lung cancer patients has found.
44290
The number of newly diagnosed HIV  infections in gay and bisexual men has risen in many U.S.  states, according to a federal study on Wednesday which stoked  concerns AIDS may be poised for a resurgence in the country.
256017
NEW YORK  - People who use chewing tobacco expose themselves to even higher levels of a particular cancer-causing compound than tobacco smokers do, according to a new study.
4071
Children who start dating before their teens are at least twice as likely as other youngsters to become smokers, researchers said on Friday.
26426
Women who are exposed to secondhand smoke may be at greater risk for cervical tumors, a new study suggests.