hundreds are toxic and about 70 can cause cancer
In some cases, marijuana use may worsen depression symptoms or anxiety rather than help treat depression, especially when mixing marijuana with prescribed medications
Can programmes delivered by mobile phones help people to stop smoking (2)
The bottom left section shows a photo of apple pie with whipped cream, a small bottle of apple pie vape liquid, a white and clear vape pen, and a green Granny Smith apple, all set against a green background
Its important to remember that while most people who quit do gain weight during the first six months of cessation, the gain is generally minor, at around five pounds on average
However, researchers point out that nicotine withdrawal itself can create irritability and stress, meaning some smokers may feel relief from discomfort caused by their own dependence