All about fruitarianism with a long-term fruitarian, Lena

Many of us rely on media that publish scientific research to adjust our nutrition. Here is something to remember, when evaluating it.

Spotting Bad Science by a chemistry teacher from UK, Andy Brunning - 12 points to help you separate the science from the pseudoscience:
1. SENSATIONALISED HEADLINES
2. MISINTERPRETED RESULTS
3. CONFLICTS OF INTEREST
4. CORRELATION & CAUSATION
5. UNSUPPORTED CONCLUSIONS
6. PROBLEMS WITH SAMPLE SIZE
7. UNREPRESENTATIVE SAMPLES USED
8. NO CONTROL GROUP USED
9. NO BLIND TESTING USED
10. SELECTIVE REPORTING OF DATA
11. UNREPLICABLE RESULTS
12. NON-PEER REVIEWED MATERIAL

Spotting Bad Science
Spotting Bad Science

Dalai Lama

Life is as dear to a mute creature as it is to a man. Just as one wants happiness and fears pain, just as one wants to live and not to die, so do other creatures.

Vitamin C

Vitamin C, or L-ascorbic acid, or ascorbate, is an essential nutrient for humans, a water-soluble vitamin. Humans, unlike most animals, are unable to synthesize vitamin C, so it is an essential dietary component. 

  • Vitamin C is required for the biosynthesis of collagen (an essential component of connective tissue), L-carnitine, and certain neurotransmitters, it is also involved in protein metabolism.
  • Vitamin C is also an important physiological antioxidant and has been shown to regenerate other antioxidants within the body, including alpha-tocopherol (vitamin E). Vitamin C regenerates vitamin E by reducing vitamin E radicals formed when vitamin E scavenges the oxygen radicals. 
  • Vitamin C plays an important role in immune function and improves the absorption of nonheme iron, the form of iron present in plant-based foods.

Approximately 70%–90% of vitamin C is absorbed at moderate intakes of 30–180 mg a day. At doses above 1 g a day, absorption falls to less than 50% and absorbed, unmetabolized ascorbic acid is excreted in the urine. 

Insufficient vitamin C intake causes scurvy, which is characterized by fatigue or lassitude, connective tissue weakness, and capillary fragility.

Cells accumulate vitamin C. The total body content of vitamin C ranges from 300 mg (at near scurvy) to about 2 g.

  • High levels of vitamin C are maintained in cells and tissues, and are highest in leukocytes (white blood cells), eyes, adrenal glands, pituitary gland, and brain.
  • Relatively low levels of vitamin C are found in extracellular fluids, such as plasma, red blood cells, and saliva.

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