PeterMcCluskey

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Covid 9/17: It’s Worse

This Wikipedia page says the pre-1800 average was 4.4 million acres. So it looks like burning every 20 years was typical for a California forest.

Efficacy of Vitamin D in helping with COVID

How high does the base rate need to be in order to explain most COVID deaths?

Note that your reference defines deficiency as less than 20 ng/mL, but correlation studies suggest using 30 ng/mL as the COVID-relevant threshold for deficiency.

Efficacy of Vitamin D in helping with COVID

No consensus, but probably at least 1000 iu per day.

Efficacy of Vitamin D in helping with COVID

LWers have been mentioning this topic since at least Feb 29. LWers on Facebook have been mentioning the new study a fair amount, and discussing how much vitamin D to take.

Anyone who has been paying attention has presumably been ensuring that their vitamin D levels are at least 30 ng/mL.

It's hard to make money off of this, which might be part of why it's not front page news in most places.

When should I be concerned about my Oura measurements indicating COVID-19?

All I can find is a hint from this story:

One user of ours in Finland was traveling in early March. His scores were normally in the 80s or 90s and he noticed his readiness score dropped to 50 and that caused him to get tested.

My experience suggests that a 20+ point drop indicates either a significant cold, unusual stress, or obvious measurement error. I had a clear-cut cold in November that caused my readiness to drop by 50 points over a period of 2 days. I've had no other times, in the year that I've been wearing my Oura, when I suspected I had a cold or had an unexplained 20+ point drop.

The Box Spread Trick: Get rich slightly faster

Buying RINF (an etf) would likely be similar but better. There are plenty of other less direct ways, such as gold or cryptocurrencies.

Isn't Tesla stock highly undervalued?

Buying physical assets generally doesn't lower profits, but accountants don't have a good way to treat R&D, or investment in human capital, as investments.

Covid 8/27: The Fall of the CDC

There are other CDCs, e.g. in South Korea, Taiwan, etc.

Could we just switch to following their advice, and ignore the US CDC?

I'm sure there's something stopping us, but I'm having trouble pinpointing what it is.

Why hasn't there been research on the effectiveness of zinc for Covid-19?

Trump appears to have a big incentive to do this.

Companies with experience at running clinical trials are probably busy testing more profitable treatments that would bring almost as much goodwill.

Tips/tricks/notes on optimizing investments

Interactive Broker’s liquidation algorithms are aggressively fast, but my rather limited experience suggests they're pretty sensible about what to liquidate.

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