Very low vitamin D produces fatigue, low mood and a flatness that looks exactly like depression, and it is not part of routine bloods in most places. If you have never had it measured, it is a fair thing to ask for.

When digestion goes wrong there are usually two things to look at rather than one: something you are eating that does not suit you, and a body too braced to digest properly. Checking only one door tends to leave you stuck.

A child struggling with attention, anxiety and daily reflux at once may be dealing with one problem wearing three coats. Undiagnosed coeliac disease and other food reactions can produce all of it, and the gut symptom is the clue worth following.

Even where a herb has good evidence behind it, that evidence belongs to the plant and not to the bottle in your hand. Testing keeps turning up products that do not contain what the label says.