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9 votes

Has the (in)famous J-shaped curve with regard to alcohol consumption and life expectancy been finally disproven?

To date, there has been no randomized clinical trial of low‐volume alcohol consumption that has assessed any mortality outcome. Therefore, the literature about the mortality effects of alcohol ...
Narusan's user avatar
  • 6,921
5 votes

When was congenital-analgesia (aka congenital insensitivity to pain), the inability to feel pain, clinically documented? How rare?

When was congenital-analgesia (aka congenital insensitivity to pain), the inability to feel pain, clinically documented? It was first reported in 1932 in this paper: Dearborn, G. V. N. (1932). A ...
faustus's user avatar
  • 785
5 votes

Has the (in)famous J-shaped curve with regard to alcohol consumption and life expectancy been finally disproven?

No. "The J-curve" was not recently disproven, but the evidence for it slightly modified. The correlational observation is still that no and low amounts of drinking do not have seriously negative ...
LаngLаngС's user avatar
  • 6,908
4 votes
Accepted

Does exercising lower your lifespan?

Persons who do regular physical exercise have a lower heart rate while they are resting (or not exercising): http://www.ncbi.nlm.nih.gov/pubmed/22081187 Hence, their hearts will be beating same ...
rncardio's user avatar
  • 1,800
3 votes
Accepted

How does removal of the testicles affect life expectancy?

To answer this question properly is going to need a prospect double blinded controlled trial. That is not going to happen in a normal world. You can try looking at historical data, like the one ...
Graham Chiu's user avatar
  • 13.3k
2 votes

By how much does former smoking reduce one's lifespan?

This has to be a speculative answer. Putting a Number on Smoking’s Toll? Important is this: People who quit between 25 and 34 years of age gained about 10 years of life compared to those who ...
LаngLаngС's user avatar
  • 6,908
1 vote

Calculate U.S. life expectancy for 2025?

You've asked how we might calculate (or rather, estimate) the life expectancy of people living in the US in 2025, and provided us with some data that could be relevant. It's understandable that you'd ...
Casey's user avatar
  • 11

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