The ZRT Laboratory Blog

The ZRT Blog is an extensive resource for patients and health care providers searching for health and hormone testing information. Here, you can read about ZRT’s cutting edge research, advances in testing, wellness advice, and health industry highlights.

Lax Demolition Laws Lead to Toxic Neighborhoods. Goodbye Old House, Hello Lead Dust!

Posted by Ted Zava on Wednesday, 09 November


Over the past year there has been a plethora of news stories about lead exposure. From Flint, Michigan to Portland, Oregon, details have emerged about schools, homes, water supplies, and other areas and structures contaminated by lead. It hardly surprises me when these pop up in the news, as lead has been used generously in piping, paint, gasoline, ammunition, and batteries, among many other products during the last century.

Read More

Testing "Low" For Lead - Why Your Child's Results May Be Misleading

Posted by Ted Zava on Wednesday, 22 June


The lead exposure stories that have dominated U.S. news recently now have parents scrambling to determine if their children have been exposed.

Parents are right to be worried because lead affects children differently than adults, primarily due to its detrimental effects on a developing brain and nervous system. I covered 10 need-to-know facts about childhood lead poisoning in an earlier blog.

In most cases if lead is detected in a school or community, free lead screening events for young children (1-5 years old) are made available. Parents should definitely take advantage of these programs, but they should look closely at the results they're getting.

Read More

Lead Poisoning - Is Your Child at Risk? (Plus 10 Need-to-Know Facts)

Posted by Ted Zava on Tuesday, 07 June


Over the past few months there has been a spike in news stories related to elevated lead levels in U.S. public water systems, beginning with the crisis in Flint, Michigan. This has initiated investigations into current water testing methods and probes into violations that have been swept under the rug.

In many cases the public water supply is safe, but there's a hidden concern you need to know about – the immediate plumbing leading to drinking fountains, faucets, bathrooms, etc. in houses, apartments, schools, and workplaces could be leaching lead into the water. This can be caused by changes in water pH and temperature, additives, or the age and condition of pipes and connections.

Even though leaded gasoline, paint, and plumbing were phased out in the 1970s, they also will remain sources of lead exposure far into the future. 

Read More

Are Heavy Metals in Lipstick Making Us Sick?

Posted by Candace Burch on Friday, 20 May


Practical Takeaway:

Studies have found toxic heavy metals, including lead, cadmium, arsenic, aluminum, mercury and other toxins deemed hazardous by the CDC in a random sampling of lip products used by women of all ages. 

For millions of women the world over, this casts a pall on the transformative promise of cosmetics to make us look and feel more beautiful. 

Read More