Practical Tips

How a vaporizer works, the difference between convection and conduction, and what temperature really changes. We explain the principle and clarify the myth about boiling points.

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

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 from animals.

NMN is the last precursor before NAD+. What have studies 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.

Which supplements have evidence for people over 65, and which change the action 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 a basic test can be normal. What studies by Lindenbaum, Reinstatler, and Smith have shown.

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

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

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

Colorful vegetable salad with dressing made from hemp oil: recipe for 15 minutes, comparison of three oils based on composition, and calculated nutritional value of a serving.