Study supporting DUTCH testing – Cortisol
by Mark Newman, MS
At the bottom of this email you can listen to a new webcast with Dr. Kara Fitzgerald talking all about hormone testing. Take a listen…
Why does DUTCH include cortisone and not just cortisol?
by Mark Newman, MS
DUTCH testing includes free cortisol throughout the day (just like saliva testing). This is a unique feature of our DUTCH testing model. Unlike saliva testing,…
Estriol Supplementation and Metabolites – A Caveat
by Mark Newman, MS
I want to discuss a complicated scenario with you. If you give estriol, please pay attention. If you don’t use estriol in your practice, feel…
Study supporting DUTCH testing – Improved Serum Correlation
by Mark Newman, MS
I’ve been anxiously waiting for all our data to roll in from an exciting study, and we’re now ready to share it. What we did…
Should You Test A Woman On The Birth Control Pill?
by Mark Newman, MS
To the point: Women on birth control pills have suppressed estrogen and progesterone. If you wonder why their progesterone and estrogen levels are low –…
Melatonin Testing Update
by Mark Newman, MS
Melatonin Testing Testing for melatonin is very important however this depends on whether or not your patient is sleeping and if they take melatonin to…
Common Medications May Cause Adrenal Insufficiency
by Mark Newman, MS
Everyone knows that taking corticosteroids like Prednisone can be suppressive to the adrenal glands – this is why they are usually dosed in a tapering…
Measuring Estrone (E1) and Estriol (E3)
by Mark Newman, MS
At a recent conference I was asked my opinion on what to do with a patient who had a certain ratio of estriol / (estrone…
