Does apple cider vinegar help with reflux and heartburn? We check the evidence, risks to enamel and the esophagus, and interactions with medications. What really works for GERD.

Gotu kola has the strongest evidence for venous insufficiency, weaker for memory. Check what studies have shown and why liver damage has been reported.

CBN for sleep has four studies on humans from 2024-2026. None showed an advantage over melatonin, and the polysomnography trial did not meet its goal.

Does CBD oil help with sciatica and nerve pain? Results of Cochrane reviews, safety data, drug interactions, and the role of CBD in treatment plans.

CBD inhibits liver enzymes through which seniors metabolize their medications. A list of 57 drugs with a narrow index, the risk of falls, and why no one has established dosages.

Hemp tea is an infusion made from Cannabis sativa L. How does it work, how much cannabidiol actually makes it into the cup, and how does it differ from CBD oil.

Rhodiola has studies on humans, but they say less than the advertisements claim. We check the results of trials on fatigue, mood, and burnout.

Does CBD alleviate asthma symptoms? We check how many clinical studies exist, why smoking and inhaling oil are dangerous, and when to call emergency services.

CBD in endometriosis: what a survey of 484 patients showed, why ESHRE guidelines do not mention cannabinoids, and what to watch out for during hormone therapy.

When CBD appears in the blood, how long does peak concentration last and after what time has the effect been observed in studies? Numbers from measurements in humans, without dosage tables.

Biotin, iron, zinc, vitamin D, saw palmetto, and collagen for hair loss. We check what research confirms in humans and what can be harmful.

Probiotics after antibiotics have data only for selected strains, and rebuilding flora is another matter. What studies have shown and when diarrhea occurs is a matter for the doctor.