Tanning Can Be an Alternative Source of Vitamin D in High Risk Populations

Tanning and vitamin D status.

We read with concern the article by Tangpricha et al (1) on tanning and vitamin D status in a recent issue of the Journal. They concluded, on the basis of their study, that “tanning beds may also provide some medical benefit.” Our concern is based on several factors. First, Tangpricha et al recruited a convenience sample via an online bulletin board and newspaper advertisement. Hence, their stu...

Designing an Am-Be miniature neutron source

Background: Miniature neutron sources with high neutron flux have abundant applications in medicine, industry and researches. The most important general characteristic of miniature neutron sources is their diameter which is 3mm in average. In this research, we have surveyed and designed an Am-Be miniature neutron source fabrication. Materials and Methods: This investigation resulted in creation...

How traditional symbols can be used as inspiration source in shaping the urban architecture?

This paper explores the developing of how designers can search for inspiration source which provided in the form of traditional elements and archetypes and also their role on idea generation in design from building to urban measure. In order to clarify of this, current study focuses on the Far-East region as an ancient part of the world in which there is a huge number of symbols like well known...

Vitamin D: the alternative hypothesis.

Early studies on vitamin D showed promise that various forms of the "vitamin" may be protective against chronic disease, yet systematic reviews and longer-term studies have failed to confirm these findings. A number of studies have suggested that patients with autoimmune diagnoses are deficient in 25-hydroxyvitamin D (25-D) and that consuming greater quantities of vitamin D, which further eleva...

Can Photodynamic Therapy Be an Alternative Method in Melanoma Treatment?