Jonathan Leng
MRCPsych
Jonathan Leng is a former doctor and a Member of the Royal College of Psychiatrists (MRCPsych). He left clinical practice to work as an entrepreneur in the UK.
At Leng Chronicle he writes about health, mental health and substances, bringing a clinician’s eye to evidence that is often overstated in both directions.
Articles by Jonathan
When nothing has worked: the people turning to natural and complementary therapies
For millions living with long-term conditions, another prescription feels like another dead end. Here is what they are trying instead, and what the evidence actually supports.
The psychedelic research boom, and what it doesn’t prove yet
Clinical trials have made psilocybin respectable again, and a US approval may be close. Read past the headlines and the evidence is more careful than the hype.
When “natural” isn’t regulated: how to read a supplement label
Most supplements in the UK are sold as food, not medicine. That changes what the label must show, what it is allowed to promise, and what nobody had to prove.
Drug checking, explained: the case for testing over guessing
Pills and powders are often not what they are sold as. Drug checking services tell people what is actually in them. Here is how they work, what the UK evidence shows and where the law stands.