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.

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


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 Purgative Activity



Type of Spiritual Experience


A purgative causes copious, rapid evacuation of the bowel and is generally used to treat stubborn constipation in adults or poisoning

A description of the experience

Number of Chemicals in Edible Plants

with Purgative Activity

Rumex acetosa (Garden Sorrel) Plant - 3 chemicals

Camellia sinensis (Tea) Leaf - 1 chemicals

Cocos nucifera (Copra) Endosperm - 1 chemicals

Malus domestica (Apple) Leaf - 1 chemicals

Phoenix dactylifera (Date Palm) Fruit - 1 chemicals

Prunus armeniaca (Apricot) Plant - 1 chemicals

Prunus cerasus (Sour Cherry) Fruit - 1 chemicals

Punica granatum (Pomegranate) Plant - 1 chemicals

Salvia officinalis (Sage) Leaf - 1 chemicals

Sorbus aucubaria (Rowan Berry) Fruit - 1 chemicals

Sun Nov 8 16:31:52 EST 2015



Number of Chemicals in Plants

with Purgative Activity

Rheum palmatum (Chinese Rhubarb) Root - 7 chemicals

Aloe vera (Aloe) Plant - 6 chemicals

Rheum rhabarbarum (Rhubarb) Root - 6 chemicals

Cassia tora (Sickle Senna) Seed - 5 chemicals

Frangula alnus (Buckthorn) Bark - 4 chemicals

Podophyllum peltatum (Mayapple) Rhizome - 4 chemicals

Senna alata (Ringworm Bush) Plant - 4 chemicals

Frangula purshiana (Cascara Sagrada) Bark - 3 chemicals

Rheum officinale (Chinese Rhubarb) Root - 3 chemicals

Rumex acetosa (Garden Sorrel) Plant - 3 chemicals

Senna occidentalis (Coffee Senna) Root - 3 chemicals

Senna alexandrina (True Senna) Plant - 3 chemicals

Aconitum carmichaelii (Fu-Tsu) Root - 2 chemicals

Frangula alnus (Buckthorn) Plant - 2 chemicals

Fallopia japonica (Hu-Zhang) Root - 2 chemicals

Polygonum multiflorum (Fo Ti) Root - 2 chemicals

Rumex acetosella (Sheep Sorrel) Plant - 2 chemicals

Rumex crispus (Sour Dock) Root - 2 chemicals

Senna obtusifolia (Sicklepod) Seed - 2 chemicals

Senna occidentalis (Coffee Senna) Seed - 2 chemicals

Terminalia chebula (Ink Nut) Fruit - 2 chemicals

Sun Nov 8 16:26:21 EST 2015


Concentration of Chemicals in Plants

with Purgative Activity

Aloe vera (Aloe) Plant - 84,800 ppm total [6 chemical(s)]

Podophyllum hexandrum (Himalayan Mayapple) Rhizome - 81,000 ppm total [1 chemical(s)]

Lobelia inflata (Lobelia) Plant - 45,000 ppm total [1 chemical(s)]

Podophyllum peltatum (Mayapple) Rhizome - 42,000 ppm total [4 chemical(s)]

Robinia pseudoacacia (Black Locust) Bark - 32,000 ppm total [1 chemical(s)]

Cocos nucifera (Copra) Endosperm - 30,000 ppm total [1 chemical(s)]

Plantago major (Common Plantain) Plant - 30,000 ppm total [1 chemical(s)]

Colchicum autumnale (Autumn Crocus) Tuber - 24,600 ppm total [1 chemical(s)]

Rheum palmatum (Chinese Rhubarb) Root - 23,860 ppm total [7 chemical(s)]

Fallopia japonica (Hu-Zhang) Root - 13,400 ppm total [2 chemical(s)]

Verbena officinalis (Vervain) Flower - 10,000 ppm total [1 chemical(s)]

Senna obtusifolia (Sicklepod) Seed - 5,600 ppm total [2 chemical(s)]

Rehmannia glutinosa (Chinese Foxglove) Root - 2,200 ppm total [1 chemical(s)]

Areca catechu (Pin-Lang) Seed - 2,000 ppm total [1 chemical(s)]

Hyptis verticillata (Barrehorno) Leaf - 500 ppm total [1 chemical(s)]

Cassia marilandica (Wild Senna) Leaf - 2 ppm total [1 chemical(s)]

Sun Nov 8 16:30:25 EST 2015

The source of the experience

Dr Dukes plant database

Concepts, symbols and science items



Science Items

Activities and commonsteps