Over the past several months I have been writing and broadcasting about the potential role of vitamin D as it relates to COVID-19. Understanding the multiple roles that vitamin D plays in regulating immunity really supports the level of interest that we are seeing in the scientific community at a time when so many ideas are being vetted.
By and large, effectiveness of any intervention is looked at in terms of either prevention of a problem or its actual treatment. And while there is a fairly robust body of literature accumulating that clearly shows higher risk for the disease as well as worse outcome associated with low levels of vitamin D, actually using vitamin D as a treatment for existing disease hasn’t really been extensively studied. Continue reading
Join me on Facebook, for our daily Coronavirus Community Conversation. I’ll share some of the latest news and science, answer your questions, and offer a forum where we can connect in the time of social distancing. Continue reading
Are you feeling down or blue? If you are then one thing’s for sure: you’ve likely encountered any number of natural products being promoted for their potential ability to benefit and improve your mood. Everything from B vitamins to fish oil to 5-HTP have been studied and written about in terms of their potential role in not only combating depression, but actually making us feel generally happier. Continue reading
You know, we’ve explored, several times now, the relationship between vitamin D levels and risks for severe health complications, including dementia. Notably, my colleague Dr. Dale Bredesen has written and researched much on this topic, particularly with regard to the relationship between vitamin D levels and Alzheimer’s risk. In fact, Dr. Bredesen even includes vitamin D supplementation in his protocol for treating Alzheimer’s and dementia. Continue reading
We’ve all been told that it’s a good idea to get a little sunshine each day. Reasons include the fact that this helps generate a bit of vitamin D, and that we basically just feel better when we’re exposed to this component of nature!
But new research may strengthen the sunshine recommendation. A new study, Moderate UV Exposure Enhances Learning and Memory by Promoting a Novel Glutamate Biosynthetic Pathway in the Brain, appeared in the journal Cell demonstrates how UV light exposure actually enhances memory function in laboratory animals. These researchers showed that when laboratory rats were exposed to moderate amounts of UV light, a biosynthetic pathway was activated that caused increased production of the neurotransmitter glutamate in various brain regions. Further, these animals were then shown to have improvement in specific forms of memory that involve both motor activity as well as object recognition.
The researchers stated:
Although overexposure to UV radiation may cause several adverse health effects, moderate UV exposure greatly benefits physical and mental health at multiple levels. Moderate UV-light exposure affects behaviors related to the CNS, such as emotion, learning, and memory.
Our ancestors spent a lot of time exposed to UV light, and we are just beginning to unravel more of the story as to why this was, and is, healthful.
Skin cancers, including melanoma, and enhanced skin aging do seem to be related to UV light exposure, and that’s clearly the other side of the coin. So, like so many other considerations, this is a recommendation grounded in balance. So I would consider avoiding sun exposure from 10 A.M. to 2 P.M., and then limit it to around 15 minutes in total each day.