Liza Dunn Profile picture
Jul 3 11 tweets 8 min read
“The road to hell is paved with good intentions.”

The Sri Lanka disaster started with an ill-advised ban on agricultural chemicals in a bid to go “all organic” last year.

The conventional wisdom was that this was better for human and planetary health. 1/
So how did this unfold?

The foundation of Sri Lanka’s economy is tea production.

According to the FAO in 2017, tea exports paid for 71% of food imports for the nation. 2/

fao.org/3/i4485e/i4485…
Tea is grown on trees & Sri Lanka has the perfect climate for tea trees to grow.

It takes ~3 years for the tree to grow enough to be productive.

When trees die b/c of pests pressure or lack of fertilizer, it takes a long time to replace them. 3/

colossuspizza.com/how-to-plant-t…
What does tea production have to do with public health?

Global health practitioners have made claims that agrochemicals are linked to kidney disease in Sri Lanka.4/

themorning.lk/are-chemical-f…
This allegation, along with the claim that chemicals aren’t necessary for productive farming & that modern agricultural practices are harmful to planetary health led many people to call for a return to organic farming. 5/

Politicians listened to this advice & in April of 2021 implemented a complete ban on the import of pesticides and fertilizers over the objections of agricultural experts.6/

swarajyamag.com/news-brief/sri…
The result?

Agricultural production in Sri Lanka collapsed.7/

aljazeera.com/news/2022/5/18…
Back to tea.

Remember how we said that tea exports pay for 71% of food imports in Sri Lanka?

The tea sector collapsed because they couldn’t protect their tea trees.

No tea, no cash.

No cash, no food.8/

lankanewsweb.net/archives/1402/….
No cash, no fuel.

No fuel = energy crisis.9/

voanews.com/amp/minister-s…
No food or fuel.

No way to pay for healthcare, school or infrastructure.

This is a humanitarian crisis.

For MDs promoting “The Great Food Transformation”

Please engage with Ag experts before lobbying for major policy changes in agriculture.

First Do No Harm

FIN

#MedTwitter

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More from @DrLizaMD

Jul 8
"An ounce of prevention is worth a pound of cure."

Aflatoxin plays a major role in the development of liver cancer world-wide.

Where does aflatoxin come from?

Fungal infections of crops...

How about a Friday fungal thread?🧵1/
bit.ly/3RuSo7M
>60% of the world's population depends on 3 staple grasses for their food security: Rice, wheat & corn (maize).

It turns out that insects like to eat these cereals for breakfast - a huge problem for small holder farmers.2/

bit.ly/3P9Oq2n
As insects snack, they pick up fungal spores from weeds & soil then spread them from plant to plant.

A double-whammy -

Not only do farmers lose crops to the insects, but the remaining crop gets infected. 3/

weforum.org/agenda/2021/06…
Read 20 tweets
Aug 12, 2021
Questions about the COVID vaccine?

Let’s start with a cell biology🧵:

The command center for your cells is the nucleus -which floats around in cytoplasm.

Cytoplasm contains all of the equipment needed for the cell to function.

Think of it as being like a kitchen. 2/
The nucleus contains DNA.

DNA is like a cookbook, and your genes are like recipes for proteins - the building blocks of your body. 3/
When your body needs a protein, your very own mRNA goes to work.

Think of mRNA as a chef - it transcribes the gene - like writing down a recipe on a card - and then takes that recipe out to the cytoplasm (the kitchen). 4/
Read 25 tweets
Oct 10, 2020
@CDCEnvironment @PEHSUnational Imagine a life without #pesticides!

Are you claiming it is better for kids to be exposed to lice, fleas, ticks & the diseases they transmit from rats to children?

Typhus is a vector-borne disease of the Middle Ages and is showing up in California!

google.com/amp/s/www.nbcn…
@CDCEnvironment @PEHSUnational Or how about toxic weeds like Datura contaminating your green beans?

Datura residues can make kids hallucinate & have a heat stroke-like syndrome!

#herbicides control toxic weeds so you don’t have to worry about them in your veggies!

foodsafetynews.com/2019/03/greeny…
@CDCEnvironment @PEHSUnational Or how about ergotism from fungal infections in crops?

Did you know that ergot is where LSD comes from?

Would you want your kids to be exposed to LSD residues in cereal?

#fungicides

google.com/amp/s/www.vice…
Read 6 tweets

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