Drinking four glasses of wine a day can increase your chances of getting breast cancer by about 50%.
All codeine products might soon require a prescription, taking them out of the reach of people needing only a mild pain killer.
Through the ages, many cultures have used cannabis as a medicine, but in the past 60 years prohibition has hampered research.
Medical regulatory bodies must be guided by solid evidence rather than pressure from recreational users pushing for the legalisation of the drug.
<b>Charles Parry</b> argues the case for a levy on alcohol manufacturing in South Africa.