CBD for restless legs syndrome: the case descriptions concerned cannabis, not CBD, and a newer trial of a THC-CBD preparation was open. What is known and what is not.

CBDA and CBC are lesser-known cannabinoids of cannabis. What has been specifically demonstrated for each of them, in which animals and cells, and what is missing in these studies.

How does a vaporizer work, what is the difference between convection and conduction, and what does temperature really change? We explain the principle and debunk the myth about boiling points.

Omega-3, iron, zinc, magnesium, bacopa, and ginkgo for ADHD: what studies show in humans, what are the effect sizes, and where the role of the supplement ends.

Which supplements have evidence in people over 65, and which alter the effects of medications: St. John's wort, calcium, vitamin K, potassium, and B12 with references to studies.

Vitamin B12 deficiency can go for years without symptoms, and the basic test can be normal. What the studies by Lindenbaum, Reinstatler, and Smith showed.

NMN is the last precursor before NAD+. What studies have shown in mice, what in humans, why there is no authorization in the EU, and whether it is worth taking after the age of 40.

Alpha-lipoic acid has one indication with strong data and many weaker ones. We examine studies on neuropathy, glycemia, and skin, as well as those derived from animals.

L-theanine with caffeine: what doses were actually administered in the studies by Owen, Haskell, and Kelly, what was measured after an hour, and what these studies did not verify.

How gut microbiota affects stress, sleep, and mood. Gut serotonin, SCFA, the vagus nerve, and psychobiotics: what studies show and what they do not.

The spring equinox is not a disease and has no confirmation in studies. Check what really lies behind spring fatigue and what has evidence.

Tuna paste with hemp oil instead of mayonnaise: proportions, order of steps, and calculated omega acids per sandwich. Ready in five minutes, no blender needed.