A female bullfrog can lay as many as 20,000 eggs, which float in a clump on the surface of the water. Size relative to a tea cup: The baritone call of the bullfrog is so deep and resonant, it resembles the mooing of a cow, hence its name. Only males emit this trademark jug-o-rum bellow, and their choruses can be heard during the day or night.
In this latest study, vitamin B6, B12, and folic acid supplements were found to produce a two-fold reduction in migraines over a six-month period. Previous studies, such as a 2004 study in the European Journal of Neurology, have also reported that high doses of B2 (riboflavin) can help prevent migraine attacks.
Sunlight and Vitamin D Synthesis What type of sunlight provides the best vitamin D? Exposure to the sunâs ultraviolet (UV) rays is required for vitamin D3 (cholecalciferol) to be produced. Vitamin D3 is synthesized in the skin once your unprotected skin receives exposure to sunlights UV rays. The sun emits three different types of radiation, UVA, UVB and UVC. The ozone layer is good at blocking all of the UVC radiation and most of the UVB, however, none of the UVA radiation.