Aging, Healthspan, Lifespan, and Longevity 4.01

This is my blog on the recent science discoveries that can be followed to increase your health and lifespan.

This is my fourth blog and I am finally learned that I am making them too long and tedious, and getting no up-votes or followers. So this blog will be shorter, I promise!

4.01 Methionine restriction.

This is an amino acid that is primarily in animal products and to a lesser degree in vegetable products. Do you remember reading that plants have an incomplete or lesser quality protein?

We thought that was a bad thing. Well biology is always surprising us. Incomplete proteins turn on numerous health benefits for all organisms studied. We will just mention one study in this blog:

PLoS One. 2014 May 15;9(5):e97729. doi: 10.1371/journal.pone.0097729. eCollection 2014.

Methionine restriction activates the retrograde response and confers both stress tolerance and lifespan extension to yeast, mouse and human cells.

Johnson JE1, Johnson FB2.
Abstract

"A methionine-restricted diet robustly improves healthspan in key model organisms. For example, methionine restriction reduces age-related pathologies and extends lifespan up to 45% in rodents. ...Overall, our data suggest that improved stress tolerance and extension of replicative lifespan may contribute to the improved healthspan observed in methionine-restricted rodents, and also support the possibility that manipulation of the pathways engaged by methionine restriction may improve healthspan in humans."

That's amazing. Typical scientific study - they don't tell you how to apply this knowledge. Animal products are very high in methionine. Cheese has 971 mg/100 grams, beef has around 700 but for comparison lentils = 77, mushrooms= 41, broccoli 34, potato 33 and fruit even lower less than 10mg/100g.

The answer if you want to take advantage of this discovery - eat more plant and less animal products.

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