Even small Mars dust storms dry out the Red Planet, scientists find

So why try to colonize Mars? In fact, there seems to be less and less water to consume for life support and even less available for brewing a decent amount of beer and/or hard spirits which more than likely would be in great demand by any long term Mars colonists.
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The article states, "Martian dust storms can spread across the whole planet and envelope it in darkness. For a long time, planetary scientists have known that those behemoth storms were responsible for wicking away the planet's water. But Mars was once a lush world, oceans and all, and the large dust storms can't explain the full magnitude of Mars' water loss. According to new research, smaller local dust storms, too, are drying out the Red Planet as well."

My observation. I did not see reported what the water loss rate is, e.g. how much water per annum due to this process is lost on Mars? How much water did Mars initially have and how long did it take for Mars to lose most of its water? Mars soil has a toxic chemical in it bad for people and plants. The surface today, much more cosmic radiation than Earth's surface, bad for people and plants. These issues should affect the belief in abiogenesis taking place on Mars, life evolving on Mars from non-living matter, and Mars with life there today. If Mars water loss rate to space from this report takes place since Mars origin, it would seem Mars had a low density atmosphere like the present. This is a problem with the Faint Young Sun, making it difficult to keep water liquid on its surface vs. frozen.