The pathetic excuse for an unbiased newspaper, the Daily Mail, at it again with a 'Terrible truth'...

http://www.dailymail.co....oking-pot-harmless.html

The UK's NHS even replied to this here:

http://www.nhs.uk/news/2...ddictive-as-heroin.aspx

NHS: 'The "terrible truth" is we still don't know enough about the safety and harms of cannabis because it's legally and ethically a difficult area to research. However, we can be pretty certain you can't take a fatal overdose from recreational cannabis use.'

FAIL: But his main finding is that regular use, especially among teenagers, leads to long-term mental health problems and addiction.

Notice the implication of absolute fact.

NHS:

Conclusion

This narrative review has concluded that cannabis research in the past 20 years has shown that cannabis use is associated with a number of adverse health effects.

It also found driving while cannabis impaired approximately doubles car crash risk and around one in 10 regular cannabis users develop dependence.

Regular cannabis use in adolescence approximately doubles the risks of early school leaving and cognitive impairment and psychoses in adulthood, according to the review.

Regular cannabis use in adolescence is also associated strongly with the use of other illicit drugs.

In addition, cannabis use probably increases cardiovascular risk in middle-aged adults with pre-existing heart disease, but its effects on respiratory function and respiratory cancer remains unclear because most cannabis smokers have smoked, or still smoke, tobacco.

However, as this was not a systematic review it is impossible for readers to know whether all relevant studies have been included.

All the review's conclusions were based on the results of observational studies. So while it seems probable that cannabis use increases the risk of some adverse outcomes, it is also possible there are differences between cannabis smokers and non-smokers that explain some of the differences seen.

And this is probably the most the public ever gets to see, despite all the benefits we know of.