Smoking has long been known to cause a wide range of cancers. New data show that the habit is responsible for about half of bladder cancers in both men and women. That's more than previously thought.
In the 1970s, people smoked something completely different than they do now. “In a matter of years, we went from 3% or 4% THC to 10%, and sometimes you can even find cannabis with 30% of this substance,” the expert says.
The pharmaceutical company Pfizer has begun paying compensation to participants in clinical trials of the drug Trovan (trovafloxacin), which took place in the Nigerian province of Kano in the 1990s.
Cutting salt intake by 15% could prevent 8.5 million deaths worldwide in the next decade, according to a study published in the British Medical Journal.
Lead author of the study, Dr. Cynthia Robbins, of Indiana University's Department of Pediatrics, emphasizes the importance of providing young people with timely and accurate information about this "fundamental component" of adolescent sexuality.
Two studies have found that smokers who light up immediately after waking up in the morning are at higher risk of developing lung, head and neck cancer.