All about fruitarianism with a long-term fruitarian, Lena

Carotenoids are a class of more than 750 pigments synthesized by plants, algae, and photosynthetic bacteria. These richly colored molecules are the sources of the yellow, orange, and red colors of many plants. Fruit and vegetables provide most of the 40 to 50 carotenoid phytonutrients found in the human diet.

The most common carotenoids in North American diets are α-carotene, β-carotene, β-cryptoxanthin, lutein, zeaxanthin, and lycopene. 

Provitamin A carotenoids - α-carotene, β-carotene, and β-cryptoxanthin - can be converted by the body to retinol (vitamin A), but not lutein, zeaxanthin, and lycopene. 

Dietary lutein and zeaxanthin help maintain optimal visual function - they absorb damaging blue light that enters the eye.

The results of observational studies suggest that diets high in carotenoid-rich fruit and vegetables are associated with reduced risks of cardiovascular disease and some cancers. But high-dose β-carotene supplements did not

Gottfried Wilhelm Leibniz

We live in the best of all possible worlds.

Veganism

Veganism is the practice of abstaining from the use of animal products, particularly in diet, and an associated rejection of the commodity status of animals. A follower of either the diet or the philosophy is known as a vegan.

Dietary vegans refrain from eating animal products, not only meat but also egg and dairy products and other animal-derived products. The term "ethical vegan" is often applied to those who extend the philosophy beyond diet into other areas of their lives. Environmental veganism refers to avoiding animal products on the premise that harvesting or industrial farming of animals is environmentally damaging and unsustainable.

The term vegan was coined in 1944 by Donald Watson when he co-founded the Vegan Society in England. At first this meant "non-dairy vegetarian" and later that one "should live without exploiting animals". 

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