JCTA Member Videos

Sunlight and Your Health: An EnLIGHTening Perspective

Tuesday, January 13, 2015
Michael F. Holick, PhD MD, Boston University Medical Center gives an energetic talk on the positive impacts of sunlight on your health. How can we balance current thinking on the negative effects of sun exposure with new research on its benefits? How does sunlight help in the production of vitamin D? Join Dr. Holick as he explains how sunlight reaches us, how it is absorbed by the skin and much more. Recorded on 12/09/2014. Series: “Vitamin D for Public Health – Integrating Sunshine, Supplements and Measurement for Optimal Health 2014” [2/2015] [Health and Medicine] [Show ID: 29075]

Vitamin D Experts Speak Out on Sunshine & Sunbeds – Long Version

Tuesday, December 16, 2014

Vitamin D Experts Speak Out on Sunshine

GrassrootsHealth asked some of the worlds leading experts to answer questions about “The Sunshine Vitamin” and other benefits of UV light.

It is hoped that this video will reduce some of the confusion about sunshine and vitamin D and help provide a balanced message to the public…

Encinitas, CA (PRWEB) December 16, 2014

GrassrootsHealth (GRH) released a new video featuring some of the world’s leading vitamin D experts answering questions about ‘The Sunshine Vitamin’ and discussing the benefits of UV light. “It is hoped that this video will reduce some of the confusion about sunshine and vitamin D and help provide a balanced message to the public,” said Carole Baggerly, Executive Director of GrassrootsHealth.

There are two conflicting views on sun exposure. On the one side are dermatologists, skin cancer organizations and public health groups who have been advising the public to stay out of the midday sun, or to use sunscreen, daily, to reduce the risk of skin cancer. On the other side are vitamin D advocates, scientists and doctors who believe that sensible, non-burning sun exposure helps you achieve adequate vitamin D levels, which reduces your risk of a number of serious diseases without increasing your risk of skin cancer.

The release of the video coincided with the kickoff of the Vitamin D for Public Health 2-day seminar in San Diego hosted by GrassrootsHealth and UC San Diego. Seminar attendees heard from Dr. Robert Heaney and Dr. Michael Holick, featured in the video, and other experts on the importance of sun exposure for maintaining optimal levels of vitamin D necessary for human health.

In the video, Dr. Robert Heaney, John A Creighton University Professor Emeritus, addresses a question on the natural way to make vitamin D, “The most natural way to make vitamin D is to expose our skin to the sun particularly around midday when the intensity of the sun’s rays will be at their maximum, particularly in the summertime.”

Another important question addressed in the video is, can sunbeds be used to make vitamin D, especially in winter? “Sunbeds of course can be used to make vitamin D. It has been one of the ways that we have measured the amount of vitamin D that the skin has the capacity to make,” stated Dr. Reinhold Vieth, a professor at the University of Toronto in the Department of Laboratory Medicine and Pathobiology.

“Tanners actually have robust levels of vitamin D,” stated Dr. Michael Holick, Professor, School of Medicine, Endocrinology, Diabetes & Nutrition, Boston University.

It’s the UVB rays in ultraviolet light that makes vitamin D in your skin. Sunshine at midday in summer is typically composed of 95% UVA and 5% UVB. The small amount of UVB is all it takes to make vitamin D in your skin. This occurs when the UV index is above 3 and your shadow is shorter than your height. During spring/summer the best time to make vitamin D is between 10 am and 2 pm. During the fall/winter months UVB rays do not reach the earth above a latitude of roughly 34 degrees (Los Angeles, CA and Atlanta, GA), so much of the United States and Canada enters a “vitamin D winter” where no vitamin D will be made, regardless of the time of day.

“The good news is that there are many benefits to sunlight besides making vitamin D. Vitamin D is made by a narrow band of the sun’s radiation and there are many other regions in that visible light that produce all kinds of good effects. It is good for the spirit. It raises our happiness, it decreases our blood pressure, it promotes lots of things that are healthy for us. Vitamin D just happens to be the one we are most concerned about now because vitamin D deficiency is so common in the populations of industrialized nations,” reported Dr. Heaney.

Watch the full version of the video here.
Watch the condensed version of the video here.

About GrassrootsHealth:

GrassrootsHealth is a nonprofit public health research organization dedicated to moving public health messages regarding vitamin D from science into practice. GRH is currently running the D*action population intervention program to solve the vitamin D epidemic worldwide. Under the D*action umbrella, there are programs looking at the entire population as well as targeted programs for breast cancer prevention and a newly announced ‘Protect Our Children NOW!’ program to reduce the complications of vitamin D deficiency encountered during pregnancy and childhood.

For more information, please contact Carole Baggerly, carole(at)grassrootshealth(dot)org or visit http://www.grassrootshealth.net

Experts Speak Out on Sunlight & Sunbeds – Short Version

Tuesday, December 16, 2014

Vitamin D Experts Speak Out on Sunshine

GrassrootsHealth asked some of the worlds leading experts to answer questions about “The Sunshine Vitamin” and other benefits of UV light.

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It is hoped that this video will reduce some of the confusion about sunshine and vitamin D and help provide a balanced message to the public…

Encinitas, CA (PRWEB) December 16, 2014

GrassrootsHealth (GRH) released a new video featuring some of the world’s leading vitamin D experts answering questions about ‘The Sunshine Vitamin’ and discussing the benefits of UV light. “It is hoped that this video will reduce some of the confusion about sunshine and vitamin D and help provide a balanced message to the public,” said Carole Baggerly, Executive Director of GrassrootsHealth.

There are two conflicting views on sun exposure. On the one side are dermatologists, skin cancer organizations and public health groups who have been advising the public to stay out of the midday sun, or to use sunscreen, daily, to reduce the risk of skin cancer. On the other side are vitamin D advocates, scientists and doctors who believe that sensible, non-burning sun exposure helps you achieve adequate vitamin D levels, which reduces your risk of a number of serious diseases without increasing your risk of skin cancer.

The release of the video coincided with the kickoff of the Vitamin D for Public Health 2-day seminar in San Diego hosted by GrassrootsHealth and UC San Diego. Seminar attendees heard from Dr. Robert Heaney and Dr. Michael Holick, featured in the video, and other experts on the importance of sun exposure for maintaining optimal levels of vitamin D necessary for human health.

In the video, Dr. Robert Heaney, John A Creighton University Professor Emeritus, addresses a question on the natural way to make vitamin D, “The most natural way to make vitamin D is to expose our skin to the sun particularly around midday when the intensity of the sun’s rays will be at their maximum, particularly in the summertime.”

Another important question addressed in the video is, can sunbeds be used to make vitamin D, especially in winter? “Sunbeds of course can be used to make vitamin D. It has been one of the ways that we have measured the amount of vitamin D that the skin has the capacity to make,” stated Dr. Reinhold Vieth, a professor at the University of Toronto in the Department of Laboratory Medicine and Pathobiology.

“Tanners actually have robust levels of vitamin D,” stated Dr. Michael Holick, Professor, School of Medicine, Endocrinology, Diabetes & Nutrition, Boston University.

It’s the UVB rays in ultraviolet light that makes vitamin D in your skin. Sunshine at midday in summer is typically composed of 95% UVA and 5% UVB. The small amount of UVB is all it takes to make vitamin D in your skin. This occurs when the UV index is above 3 and your shadow is shorter than your height. During spring/summer the best time to make vitamin D is between 10 am and 2 pm. During the fall/winter months UVB rays do not reach the earth above a latitude of roughly 34 degrees (Los Angeles, CA and Atlanta, GA), so much of the United States and Canada enters a “vitamin D winter” where no vitamin D will be made, regardless of the time of day.

“The good news is that there are many benefits to sunlight besides making vitamin D. Vitamin D is made by a narrow band of the sun’s radiation and there are many other regions in that visible light that produce all kinds of good effects. It is good for the spirit. It raises our happiness, it decreases our blood pressure, it promotes lots of things that are healthy for us. Vitamin D just happens to be the one we are most concerned about now because vitamin D deficiency is so common in the populations of industrialized nations,” reported Dr. Heaney.

Watch the full version of the video here.
Watch the condensed version of the video here.

About GrassrootsHealth:

GrassrootsHealth is a nonprofit public health research organization dedicated to moving public health messages regarding vitamin D from science into practice. GRH is currently running the D*action population intervention program to solve the vitamin D epidemic worldwide. Under the D*action umbrella, there are programs looking at the entire population as well as targeted programs for breast cancer prevention and a newly announced ‘Protect Our Children NOW!’ program to reduce the complications of vitamin D deficiency encountered during pregnancy and childhood.

For more information, please contact Carole Baggerly, carole(at)grassrootshealth(dot)org or visit http://www.grassrootshealth.net

Dr. Joseph Mercola interviews Dr. Michael Holick Vitamin D, Sunlight, Sunbeds

Thursday, July 3, 2014

Natural health expert and Mercola.com founder Dr. Joseph Mercola interviews Dr. Michael Holick, one of the leading vitamin D researchers, and the author of the book, The Vitamin D Solution

.Michael F. Holick – The D-Lightful Vitamin D for Good Health .

Wednesday, April 2, 2014

Michael F. Holick – The D-Lightful Vitamin D for Good Health

Published on Jan 21, 2014

Adequate vitamin D nutrition is associated with the prevention of rickets in children and therefore, little thought is given about the consequences of vitamin D deficiency in adults. However, it is now becoming clear that vitamin D plays an important role in maintaining bone health from birth until death. Of equal importance is that vitamin D has a multitude of other biologic functions in the body that may be important for the prevention of common cancers, hypertension, type-1 diabetes, as well as a host of other common maladies that afflict elders.

Michael F. Holick, Ph.D., M.D. is a Professor of Medicine, Physiology and Biophysics; Director of the General Clinical Research Unit; Director of the Bone Health Care Clinic and the Director of the Vitamin D, Skin and Bone Research Laboratory at Boston University Medical Center. Dr. Holick has made numerous contributions to the field of the biochemistry, physiology, metabolism, and photobiology of vitamin D for human nutrition.

Dr. Holick has established global recommendations advising sunlight exposure as an integral source of vitamin D. He has helped increase awareness in the pediatric and medical communities regarding vitamin D deficiency pandemic, and its role in causing not only metabolic bone disease, and osteoporosis in adults, but increasing risk of children and adults developing preeclampsia, common deadly cancers, schizophrenia, infectious diseases including TB and influenza, autoimmune diseases including type 1 diabetes and multiple sclerosis, type 2 diabetes, stroke and heart disease.

Dr. Holick is a Diplomat of the American Board of Internal Medicine, a Fellow of the American College of Nutrition, and a member of the American Academy of Dermatology and the American Association of Physicians. He is the recipient of numerous awards and honors and serves on a number of national committees and editorial boards and has organized and/or co-chaired several international symposia. He has authored more than 300 peer-reviewed publications, and written more than 200 review articles, as well as numerous book chapters.
He has acted as editor and/or co-editor on 10 books, and has written The UV Advantage, and The Vitamin D Solution.

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