Introduction. Dyslexia is a common learning difficulty that can cause problems with reading, writing and spelling. It's a specific learning difficulty, which means it causes problems with certain abilities used for learning, such as reading and writing.Unlike a learning disability, intelligence isn't affected.ntroduction. Dyslexia is a common learning difficulty that can cause problems with reading, writing and spelling. It's a specific learning difficulty, which means it causes problems with certain abilities used for learning, such as reading and writing. Unlike a learning disability, intelligence isn't affected.
It was in 1954 when Flink reported alcoholism as a cause of magnesium deficiency. The deficiency of Magnesium was found to be widely prevalent among alcoholics. Based on studies conducted on animals, the magnesium deficiency is aggravated by the hepatic damage primarily caused by the intake of alcohol.
Decreased vision due to vitamin deficiencyâHeavy drinking affects the absorption of vitamins in the liver, vitamins needed to maintain healthy eyesight. For example, a vitamin B-1 deficiency due to alcohol consumption can cause a weakness or paralysis of the eye muscles. Or a vitamin A deficiency due to alcoholism can cause: night blindness, thinning of the cornea, corneal perforation, dryness, and even blindness due to retinal damage.