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NEW VIDEO: Is Food Becoming Less Nutritious? (Patreon)

Published:
2018-08-25 19:31:05
Edited:
2018-08-25 19:31:24
Imported:
2026-06
Tags:

Content

This video is a companion piece to the Vitamania documentary, looking into the declines observed in nutrients in plant foods and what might be causing it. From the comments, it looks like a controversial topic - many good points are raised. I had to focus, in this 7-minute video on only a few things so there is definitely a lot more to talk about. Look forward to your feedback.

As a post connected to Vitamania, this is another unpaid clip.

Files

Is Our Food Becoming Less Nutritious?

The nutrient content of food is declining. Is it because of soil depletion, selective breeding, or... something else? Watch my new documentary, VITAMANIA: http://ve42.co/vita I came across this story as I was making the film Vitamania. When you ask sellers of vitamins why you should take vitamin supplements even if you eat a healthy diet, they will say because our food doesn't contain all the nutrients it once did. This is supposedly due to soil depletion, cold storage, food ripening off the vine, and global transport of out-of-season foods. And to an extent this is true. Foods contain the greatest amount of nutrients if they are eaten soon after they are harvested. An unexpected source of nutrient decline is the increasing amount of carbon dioxide in the atmosphere. It causes plants to grow faster and bulk up on carbs but at the expense of other nutrients, so in percentage terms the amount of nutrients are actually declining. For now this decline is modest so supplementing with vitamin pills is probably unnecessary for most people with a healthy diet but it may be a concern in future. Thanks to Kate Pappas & Chris Kamen for writing, producing and filming this video with me Edited by Lucy McCallum Sound mix by Wayne Hyett Fact Checking by Calvin Lee and Claire Smith Thanks to the Collingwood Children’s Farm and Glenn Fitzgerald from the University of Melbourne & Agriculture Victoria Further Reading: https://www.sciencedirect.com/science/article/pii/S0889157516302113 https://www.ncbi.nlm.nih.gov/pubmed/15637215/?ncbi_mmode=std http://soils.wisc.edu/facstaff/barak/poster_gallery/minneapolis2000a/ https://www.politico.com/agenda/story/2017/09/13/food-nutrients-carbon-dioxide-000511 http://www.abc.net.au/news/2018-05-24/scientists-warning-rice-may-become-less-nutritious/9792822

Comments

Bill Groll

I watched this last night. Very interesting, especially the connection to CO2.

Greta Neal

Good video. However the obesity epidemic is not due to eating plants rofl. I'm disappointed you suggested such a thing... The obesity epidemic is due to people eating processed "food" and animal products.

Steve Ruis

You missed a couple of large factors. One is the early harvesting of fruits and vegetables, while they are still very firm and more amenable to machine picking, then artificially ripening them in gas controlled storage. This shortens the ripening process, a process where much of the nutrients are brought to the fore. Then there is the documented decline of American soils, largely because of factory farming of livestock. when lands are in pasturage, they get fertilized by the animals on them (goats, cattle, pigs, chickens, etc. and the spoils then become robust and capable of growing crops without the additions of large amounts of chemical fertilizers. We keep chopping sections out of the growing process, replacing them with shortcuts and then are astonished when we don't get as good results.