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?’.

Available on Amazon
also on all local Amazon sites, just change .com for the local version (.co.uk, .jp, .nl, .de, .fr etc.)

Observations placeholder

Dr Duke's list of Plants with Antischizophrenic Activity



Type of Spiritual Experience


A description of the experience

Concentration of Chemicals in Plants

with Antischizophrenic Activity

Rauvolfia serpentina (Serpentine Wood) Root - 4,000 ppm total [1 chemical(s)]

Glycyrrhiza glabra (Licorice) Leaf - 2,000 ppm total [1 chemical(s)]

Chelidonium majus (Celandine) Plant - 680 ppm total [1 chemical(s)]

Chamissoa altissima (Guanique) Leaf - 132 ppm total [1 chemical(s)]

Trigonella foenum-graecum (Fenugreek) Seed - 70 ppm total [1 chemical(s)]

Persea americana (Avocado) Fruit - 46 ppm total [1 chemical(s)]

Trachyspermum ammi (Ajwan) Fruit - 46 ppm total [1 chemical(s)]

Pisum sativum (Pea) Seed - 38.8 ppm total [2 chemical(s)]

Panax quinquefolius (Ginseng) Plant - 32 ppm total [1 chemical(s)]

Triticum aestivum (Wheat) Seed - 26 ppm total [1 chemical(s)]

Solanum tuberosum (Potato) Tuber - 24.56 ppm total [3 chemical(s)]

Carya ovata (Shagbark Hickory) Shoot - 23.4 ppm total [1 chemical(s)]

Hordeum vulgare (Barley) Seed - 22 ppm total [1 chemical(s)]

Oryza sativa (Rice) Seed - 20 ppm total [1 chemical(s)]

Amaranthus spinosus (Spiny pigweed) Leaf - 19 ppm total [1 chemical(s)]

Sesamum indicum (Beni) Seed - 16 ppm total [1 chemical(s)]

Carya glabra (Pignut Hickory) Shoot - 13.2 ppm total [1 chemical(s)]

Glycine max (Soybean) Seed - 12.8 ppm total [1 chemical(s)]

Quercus velutina (Black Oak) Stem - 10.4 ppm total [1 chemical(s)]

Quercus alba (White Oak) Stem - 9.88 ppm total [1 chemical(s)]

Sun Nov 8 05:58:47 EST 2015


Number of Chemicals in Plants

with Antischizophrenic Activity

Solanum tuberosum (Potato) Tuber - 3 chemicals

Alisma plantago-aquatica (Ze-Xie) Plant - 2 chemicals

Ilex paraguariensis (Mate) Leaf - 2 chemicals

Pisum sativum (Pea) Seed - 2 chemicals

Allium ampeloprasum (Kurrat) Plant - 1 chemicals

Allium cepa (Onion) Bulb - 1 chemicals

Allium sativum var. sativum (Garlic) Bulb - 1 chemicals

Anemarrhena asphodeloides (Zhi-Mu) Rhizome - 1 chemicals

Angelica sinensis (Dang Gui) Root - 1 chemicals

Annona reticulata (Custard Apple) Fruit - 1 chemicals

Artemisia absinthium (Wormwood) Plant - 1 chemicals

Asparagus officinalis (Asparagus) Shoot - 1 chemicals

Avena sativa (Oats) Plant - 1 chemicals

Beta vulgaris subsp. subsp. vulgaris (Beet) Root - 1 chemicals

Brassica oleracea var. capitata l. var. capitata (Cabbage) Leaf - 1 chemicals

Brassica pekinensis (Chinese Cabbage) Leaf - 1 chemicals

Camellia sinensis (Tea) Leaf - 1 chemicals

Capsicum annuum (Paprika) Fruit - 1 chemicals

Capsicum frutescens (Chili) Fruit - 1 chemicals

Carya glabra (Pignut Hickory) Shoot - 1 chemicals

Carya ovata (Shagbark Hickory) Shoot - 1 chemicals

Sun Nov 8 06:00:39 EST 2015

The source of the experience

Dr Dukes plant database

Concepts, symbols and science items



Science Items

Activities and commonsteps