Does heaven exist? With well over 100,000 plus recorded and described spiritual experiences collected over 15 years, to base the answer on, science can now categorically say yes. Furthermore, you can see the evidence for free on the website allaboutheaven.org.

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This book, which covers Visions and hallucinations, explains what causes them and summarises how many hallucinations have been caused by each event or activity. It also provides specific help with questions people have asked us, such as ‘Is my medication giving me hallucinations?’.

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Observations placeholder

Croll, Oswald - Preface of Signatures – 02 Preface



Type of Spiritual Experience



Phytother Res. 2010 Oct;24(10):1423-32. doi: 10.1002/ptr.3207. Milk thistle in liver diseases: past, present, future.  Abenavoli L1, Capasso R, Milic N, Capasso F.

Silybum marianum or milk thistle (MT) is the most well-researched plant in the treatment of liver disease. The active complex of MT is a lipophilic extract from the seeds of the plant and is composed of three isomer flavonolignans (silybin, silydianin, and silychristin) collectively known as silymarin. Silybin is a component with the greatest degree of biological activity and makes up 50% to 70% of silymarin. Silymarin is found in the entire plant but it is concentrated in the fruit and seeds. Silymarin acts as an antioxidant by reducing free radical production and lipid peroxidation, has antifibrotic activity and may act as a toxin blockade agent by inhibiting binding of toxins to the hepatocyte cell membrane receptors. In animals, silymarin reduces liver injury caused by acetaminophen, carbon tetrachloride, radiation, iron overload, phenylhydrazine, alcohol, cold ischaemia and Amanita phalloides. Silymarin has been used to treat alcoholic liver disease, acute and chronic viral hepatitis and toxin-induced liver diseases.

PMID:  20564545

A description of the experience

Croll, Oswald - Preface of Signatures – 02 Preface

Although from the monuments of others, without any Foundation of Signature, or separation of the true from the false, very many heteroclite virtues are described, and assigned to several herbs; yet experience, the alone and only mistress of things, testifies that they are insufficient to answer the desired expectation of physicians and patients.

If experience, the mother of verity, may be credited, we need not infer many reasons for the proof hereof.

There is required a higher ingenuity, and more subtle inquisition, than can be obtained by sight of the eyes only. [Divers and manifold forms are the signs directing to find every singular mystery].

If the plenary and intimate knowledge of plants (such as Nature hath reserved to be searched out, and subtly understood by the studious lovers and admirers of Natural things) we would as perfectly comprehend, as some hundreds of them, at first sight, without the knowledge of their internal virtue, may in the vulgar manner by their names be discerned:

Yet names of herbs have not the virtues, therefore their bodies are to be examined, that we may know, what purges, what yields odour, what heals fevers, and what cures wounds. [The qualities of simples are not to be considered; but their arcanum].

Moreover, that fallacious and unjust censure of the four qualities viz. hot, cold, dry, and moist, cannot sufficiently manifest their virtues, such qualities being but the shadows of things, as colours, not having roots, or powerful operations. They will not run this hazard, who knowing the virtue from the root of the center, not from the superficies; and leaving the subtlety of fruitless names, do from things themselves, by intimate and profound speculation, more exquisitely search out the truth.

The source of the experience

Croll, Oswald

Concepts, symbols and science items




Science Items

Activities and commonsteps