While today scurvy is known to be caused by a nutritional deficiency, until the isolation of vitamin C and direct evidence of its link to scurvy in 1932, numerous theories and treatments were proposed, often on little or no experimental data.curvy can be prevented by a diet that includes certain citrus fruits such as oranges or lemons. Other sources rich in vitamin C are fruits such as blackcurrants, guava, kiwifruit, papaya, tomatoes, bell peppers, and strawberries.
Butylene glycol is used in literally thousands of skin care and personal care products. One of the reasons for such wide adoption is that this chemical is relatively cheap, and because it has such a wide variety of effects on the skin.
What is it used for? Pyridostigmine bromide is used for the treatment of myasthenia gravis, a condition that prevents messages reaching the muscles from the brain. It is also used to treat paralytic ileus (a rare form of constipation) and the inability to pass urine after an operation.