Is there a heavy metal problem in weed, read this https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i

1. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 2/17
HEAVY METALS IN CANANBIS PLANT BUDS
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2. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 3/17
Hemp and Cannabis Plants Can Clean
Heavy Metals from the Soil, But Is All That
Metal Ending Up in Your Weed?
Heavy metals in cannabis products has been a recurring question for the industry for over 5 years
now.
Posted by:
Chiara C, today at 12:00am
A new study claims cannabis plants could be dangerous to the consumer's health due to their ability to accumulate or
soak up hazardous compounds in the soil.

3. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 4/17
Cannabis plants, also referred to as accumulator plants, have an intrinsic feature that allows them to absorb toxins like
heavy metals and pesticides from the soil. (https://cannabis.net/blog/news/the-dangers-of-heavy-metals-in-your-
cannabis) This ability makes the plant perfect for environmental remediation. They are planted on polluted or
contaminated sites to reduce toxins in the ground. However, while this has gone on for a while, little thought has gone
into how this practice affects the consumers who ingest these plants and their derived products.
Heavy Metals Definition
Heavy metals are naturally occurring compounds that are metallic and have high densities. Some of these chemical
elements are known to be toxic regardless of their concentrations in the soil. They are found in the earth's crust, so it is
unavoidable that consumers are exposed to these compounds.
Heavy metals like arsenic, lead, nickel, and mercury can be described as carcinogenic compounds, as they predispose
consumers to chronic ailments like cancer. These compounds are present in the air we breathe, the food we eat, and
even the water we drink. With the recent study that found cannabis absorbs most of these compounds from the soil, it's
high time we accept that our medicines may contain heavy metals. There are valuable heavy metals, but they must be
taken in minute doses. Some of these beneficial metals include zinc, copper, and iron. Humans and plants both require
a certain amount of these compounds to thrive.
The Latest Report
A new study led by Penn State researchers investigates the ability of cannabis plants to absorb heavy metals and
discusses the health implications for consumers. According to medicalxpress.com, the team proposes a blueprint of
strategies for growers to reduce heavy-metal uptake by their crops.
Louis Bengyella, assistant research professor of plant science at Penn State, explained that lead is one of the heavy
carcinogenic materials which could have drastic health implications when consumed in high concentrations. He added
that many cannabis consumers are unknowingly exposed to many of these heavy metals. This could pose a severe
problem for cancer patients who use medical cannabis drugs. He stated that although the cannabis-derived drugs could
improve the symptoms at that point, the carcinogenic toxic metals may cause more harm than good as the treatment
progresses.

4. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 5/17
In regular cannabis users, these heavy metals can cause cancer and some neurological issues. The team discovered that
heavy metal contamination in cannabis could result in a variety of health problems because heavy metals accumulate in
specific areas of the human body, causing chronic or fatal health conditions. This is one reason why it is advised that
strains that have been developed for phytoremediation reasons should be sold or used for consumption purposes. If
these strains, which are used to rid the environment of soil, water, or air pollutants, are used, consumers have a higher
risk of getting exposed to these chemical metals.
Common Carcinogenic Heavy Metals
These are the top four common heavy metals that have posed a problem not only in cannabis cultivation but in
agriculture generally.

5. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 6/17
Nickel: Nickel is a heavy metal that the human body has evolved to absorb in small amounts safely. The kidneys remove
and excrete a large portion of the nickel we are exposed to, such as through particles in the air or other nickel products.
Large doses of nickel, on the other hand, can result in stomach aches, heart failure, kidney and lung damage,
neurological effects, gastrointestinal distress, dermatitis, and cancer.
Lead: This is yet another infamous poison that has been linked to fatal health issues, particularly in children with
learning disabilities and developmental delays. Adults who have been exposed to lead may experience intestinal
distress, headaches, joint pain, and reproductive problems. Although lead was once used to make pencils and paint, it is
now commonly found in soil and the air.
Arsenic: High arsenic doses can cause diarrhea, violent vomiting, clammy hands, low blood pressure, and even death
due to a lack of blood flow. Arsenic is also a carcinogen, having been linked to a variety of cancers. This is a well-known
human poison; in fact, it has been used in the commission of murder.
Mercury: Mercury, a byproduct of coal combustion, is toxic to the nervous system. Tremors, coronary heart disease,
psychological changes, numbness, pain, memory issues, difficulty walking, and seizures are all symptoms of mercury
poisoning.
More Details on the Report
The team stated that toxic metal chemical elements like lead and chromium could be transported and distributed from
the root to the stalk and, finally, the leaves and flowers of a plant. In cannabis plants, when present in high quantities,
these compounds exit the plant through its trichomes (trichomes are tiny hairlike structures present on flowers).
Bengyella said that trichomes are one of the essential parts of the cannabis plant desired by consumers. This structure
holds the CBD oil as well as the THC needed by most consumers. According to the team's findings, the greatest danger
to human health occurs when cannabis high in heavy metals is consumed in combustible forms. This claim was backed
by the results of an analysis of heavy metals in the smoke of marijuana, which showed the presence of mercury, lead,
nickel, arsenic, selenium, and cadmium in significant proportions.
Bottom Line

6. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 7/17
The report, which has been published in Toxin Reviews, argues that the effect of these toxins on the system can be
reduced by proper agricultural practices. Farmers are advised to leave polluted sites alone and always conduct a soil pH
test before planting any cannabis strain (https://cannabis.net/strains). Yes, the pH level of soil tells a different story
(https://cannabis.net/blog/strains/how-to-spot-nutrient-deficiencies-in-your-cannabis-plants) about the number of
heavy metals present. Consumers are also advised to request the results for heavy metals for every strain purchased in
a dispensary. Consumers' health should not be put at risk. Hence better regulations need to be put in place to ensure
dispensaries and farmers conduct tests for all forms of toxins in the soil like pesticides and carcinogenic heavy metals.
Safety first!
HEAVY METALS AND WEED, IT'S COMPLICATED, READ MORE..
(https://cannabis.net/blog/news/the-dangers-of-heavy-metals-in-your-
cannabis)
HEAVY METALS IN YOUR CANNABIS VAPE CARTS OR BUD? WHAT? (https://cannabis.net/blog/news/the-dangers-of-
heavy-metals-in-your-cannabis)
OR..

7. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 8/17
(https://cannabis.net/blog/opinion/is-your-vaping-device-leaching-
heavy-metals-into-your-lungs)
IS YOUR VAPE SET UP LEECHING HEAVY METALS INTO YOUR LUNGS? (https://cannabis.net/blog/opinion/is-your-
vaping-device-leaching-heavy-metals-into-your-lungs)
What did you think?
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8. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
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9. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
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10. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 11/17
NEWS

11. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 12/17
(https://cannabis.net/blog/news/canadian-parents-say-they-arent-prepared-for-october-17th)
Canadian Parents Say They Aren't Prepared For October 17th
It seemed that the parents were more worried about their kids not knowing enough about the harms of driving while stoned, as revealed by 87% of the
respondents.

12. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 13/17
NEWS
Second Time a Charm? Tennessee Introduces a New Medical Marijuana Bill in the House
A Tennessee lawmaker introduced the legislature to the 2022 ballot, which will set the pace for a more solidified cannabis industry in the state. Rep. Bruce Griffey,
who is a Republican from District 75, is sponsoring the bill, which is now called ‘House Bill 1634”. The bill will need county election commissions that entail three

13. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 14/17
(https://cannabis.net/blog/news/second-time-a-charm-tennessee-introduces-a-new-medical-marijuana-bill-in-the-house)
cannabis-related questions. It is expected that the questions will be non-binding and also appear in November 2022 on the ballot.

14. 12/29/21, 8:10 AM Hemp and Cannabis Plants Can Clean Heavy Metals from the Soil, But Is All That Metal Ending Up in Your Weed?
https://cannabis.net/blog/news/hemp-and-cannabis-plants-can-clean-heavy-metals-from-the-soil-but-is-all-that-metal-ending-up-i 15/17
OPINION