The Welsh Assembly's Health and Social Care Committee is holding an inquiry into the problem of legal highs in Wales, the level of knowledge about them, and whether changes to the law could help tackle the issue.
David Rees, chair of the committee, says: "we are worried the term 'legal' does give people the impression that it is safe. We don't know the consequences of these drugs, and we don't know the implications upon the people, the communities and the services here in Wales."
In Ireland, rather than banning substances on a case-by-case basis, a blanket ban on mind-altering substances has been introduced, with certain things like alcohol excluded.
The UK Government Home Office, which has responsibility for drug legislation, says a review of its approach to legal highs has reported back and it will be announcing the outcome soon.
Substance misuse organisation Nu-Hi Training organises education sessions with a group of young people in Cardiff about the dangers of legal highs.
Our reporter Tom Sheldrick spoke to two teenagers there - Rachel Morris and Rhian Colledge - who have not taken legal highs themselves, but say they are attracted to doing it in the future.
That's despite their awareness of the dangers, and Rachel knowing somebody who died after taking legal highs.
They admit: "we'll probably end up doing it - everyone's got to try stuff at one point haven't they."
Shadow Health Minister, Darren Millar, has called for a "Keogh-style" inquiry into the Welsh NHS.
He said: "The evidence is stacking up, demonstrating that all is not well in the Welsh health service and an independent inquiry could help identify problems and put them right, before it's too late.
Experienced medical experts are saying that without an inquiry, some NHS services are facing imminent meltdown - a disturbing warning that Labour ministers must heed.
Do-gooders who defensively act as cheerleaders for their local health board and reject any sort of review are putting Welsh patients at risk.
We love the NHS and want to help staff deliver the best possible service for patients, but that is only possible if we have the courage to hold a thorough inquiry to identify any problems and put them right.
New research shows extended periods sitting behind a desk are linked to an increased risk of illnesses such as type 2 diabetes and heart disease.
Here are some handy tips to help get you moving while in the office:
- Stand while talking on the telephone
- Walk over to someone's desk at work rather than calling them on the phone
- Go for a brisk walk during your lunch break. Use a pedometer and keep track of how many steps you take
- Take the stairs instead of the lift, or get out of the lift a few floors early, then use the stairs
- Exercise before or after work, or during your lunch break
Russell Joseph is 18 and from Cardiff - he has taken legal highs many times.
He told our reporter Tom Sheldrick what it was like when he took legal highs:
I went into a video game. The whole world turned cartoony. I was stumbling, I had to grab hold of walls. My eyes were going fuzzy, my head was spinning all over the place.
He said that, despite being aware of the dangers of legal highs, he would take them again, although he wouldn't "do it constantly" like others.
Detective Chief Inspector Roger Fortey, Gwent Police's lead on drugs and legal highs, insists police forces here are taking a "hard-line proactive approach" to tackling the problems posed by legal highs.
He said it was based on targeting businesses selling legal highs, with products seized from two shops, and action taken against "sophisticated" online businesses selling legal highs - but also educating young people who might be attracted to using the substances.
Extended periods sitting behind a desk are linked to an increased risk of illnesses such as type 2 diabetes and heart disease.
Even with factors such as age, smoking and amount of exercise taken out, higher health risks still exist for those who sit for long spells at work, according to research.
Around half of the UK working population have sedentary occupations - most notably office-based jobs, where more than 75% of the working day is spent sitting.
Today, health specialists from across Wales will gather in Cardiff on a seminar relating to the risks of sedentary behaviour at work and discuss ways in which to reduce it.
Sitting at work is the main source of sedentary behaviour for many working age adults...We'll also be encouraging delegates to take regular breaks in their sitting time throughout the seminar, in order to ensure we are all practising what we preach.
The number of cases logged by Wales' four police forces with the term 'legal high' increased by almost 2,000 per cent in the last two years.
The figures were uncovered by ITV News through Freedom of Information requests.
Incidents logged with term 'legal high':
NORTH WALES POLICE
- 2012 - 3
- 2013 - 13
- 2014 - 23
- 2011/12 - 1
- 2012/13 - 3
- 2013/14 - 23
- 2011/12 - 1
- 2012/13 - 5
- 2013/14 - 58
SOUTH WALES POLICE
- 2012 - 6
- 2013 - 30
- 2014 (until 31 July) - 103
- Year to 2012 - 11
- Year to 2013 - 51
- Year to 2014 - 207
An ITV News investigation has uncovered the growing problem of so-called legal highs in Wales.
Figures from all four Welsh police forces show the number of incidents logged with the words 'legal high' increase from just 11 in the year to 2012, to 207 this year.
Legal highs are also known as new psychoactive substances. They contain one or more chemical substances, designed to mimic the stimulant effects of illegal drugs.
Across the UK, around one death every week involves legal highs.
The term 'legal highs' suggests they are safe, but users know little about the substances contained within them, which can often vary.
The Welsh Assembly's Health and Social Care Committee is currently holding an inquiry into their harms, the level of education surrounding them, and whether changes to the law could help tackle the problems.
UK Government Crime Prevention Minister Norman Baker said that more than 350 substances have been banned since 2010, and he will announce his response to a review into policies on legal highs shortly.
A woman has died in an ambulance whilst waiting in a queue outside Morriston hospital.
The patient, who hasn't been named, died this afternoon at approximately 3.40pm after being transferred from another hospital.
In a joint statement Abertawe Bro Morgannwg Health Board and the Welsh Ambulance Service said a review is being launched into what happened.
The Emergency Department at Morriston Hospital has been very busy with a high number of ambulances arriving in a short space of time. Escalation plans have been activated and staff across the hospital are working closely with colleagues from WAST to keep delays to a minimum.
At approximately 3.05pm this afternoon, Thursday 17 September, a patient arrived via ambulance at Swansea’s Morriston Hospital from another hospital.
The patient was assessed immediately upon arrival and remained in the care of a doctor and the ambulance crew whilst waiting to be admitted into hospital.
Sadly, at approximately 3.40pm the patient passed away. We wish to express our sincere condolences to the patient’s family.
We will be urgently reviewing the circumstances to ensure we have a proper and full understanding of what happened. It is too early at this stage to comment any further.?