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"Are Avocados Good for You?"
I've covered high-fat plant foods in the past such as nuts, which are health-promoting,
coconut oil, which is not so health promoting. But what about avocados?
75% calories from fat, but good for you none the less, neither good nor bad, or something we should consider avoiding?
Well, rats, fed the human equivalent of 200 pounds of avocado seeds, don't do so well.
But we're not rats, and who eats avocado pits?
Then, of course, the FDA warns about the toxicity of avocado leaves,
for the lactating mammary gland of the goat. But what about the actual fruit?
Not good for pets evidently, but then again neither is chocolate.
What about the actual fruit for actual humans?
We have been eating avocados for 10,000 years, the darling of health nuts everywhere.
What could possibly go wrong?
Well, they're not a problem for cholesterol.
In fact people put on an avocado diet see a significant improvement in their cholesterol, probably in part due to its phytosterol
The California Avocado Commission even supported a study pitting - no pun intended - avocados against a malignant line of oral cancer cells.
Here's the control. The red dots indicate living mitochondria inside the cells,
the little sparks of life force, extinguished by an avocado extract, leaving dead lifeless husks of cancer cells in its wake.
Kills breast cancer cells, too.
There's a natural plant toxin produced by the avocado tree and found in avocado fruit that acts as a fungicide, an insecticide,
and can do a number on human breast cancer cells. And here they are.
These are not what we want in our body.
These are three breast cancer cells huddled together, planning their route of attack.
This is a different stain than used before.
The red is their nucleus, and the green is their cytoskeleton, the cells' skeleton.
Didn't know cells had skeletons? How else could they move?
How else could a breast cancer cell get from the breast to the brain or to the liver? It crawls there.
Here's a video of breast cancer cells in a lab working their way through a maze researchers set up for them,
using their cellular skeletons to pull themselves along.
Ah, but that's what chemotherapy is for.
This is what the chemo drug paclitaxel can do: clumps up the cytoskeleton, so the cells can't move, can't divide.
And the avocado toxin can do the exact same thing, stopping breast cancer cells in their tracks.
The researchers conclude that persin, the avocado toxin, should be further evaluated as a single agent
or combination chemotherapy agent for cancers of the breast, and potentially other cancers as well.
Look what this toxin does to cancer cell DNA.
This is a measure of DNA fragmentation.
The avocado compound rips their chromosomes limb from limb.
Unfortunately, it turns out, it appears to do the same thing to normal cells, too.