Serpent (symbolism) The serpent, or snake, is one of the oldest and most widespread mythological symbols. The word is derived from Latin serpens, a crawling animal or snake. Snakes have been associated with some of the oldest rituals known to humankind and represent dual expression of good and evil.
1 Osteoporosis, a condition characterized by reduced bone mineral density and increased bone fragility.  Rickets, a childhood disease characterized by impeded growth and deformity of the long bones. The earliest sign of subclinical vitamin D deficiency is craniotabes, abnormal softening or thinning of the skull.
A vitamin D deficiency can cause osteomalacia in adults, leading to muscle pain and weakness. However, it is easy to make sure you are getting enough vitamin D. According to the National Institutes of Health, your body can produce the vitamin D it needs through just a few minutes of daily exposure to direct sunlight. vitamin D deficiency can cause osteomalacia in adults, leading to muscle pain and weakness. However, it is easy to make sure you are getting enough vitamin D. According to the National Institutes of Health, your body can produce the vitamin D it needs through just a few minutes of daily exposure to direct sunlight.