/sci/ - Science & Math

>>7031746
only logical reason I can think of is the baby's immune system gets more advanced as it's still winter
but either way, feels good to be >dec

Here's some MOAR from the paper...

>We conjectured that the month of birth may be an indicator for environmental factors that are linked to the seasons of the year. If this conjecture is true, then the patterns of two geographically close populations should resemble each other, and the pattern in the Northern Hemisphere should be mirrored in the Southern Hemisphere. Furthermore, lifespans of people who were born in the Northern Hemisphere but who died in the Southern Hemisphere should resemble the pattern of the Northern Hemisphere.

>We obtained data on the populations of Denmark, Austria, and Australia to test our conjecture. For Denmark, the longitudinal data are based on the population register, which follows every person living in Denmark from 1968 to the present. For Austria and Australia, we used information from death certificates for all deaths that occurred in 1988–1996 and 1993–1997, respectively.

>We have found that month of birth and remaining life expectancy at age 50 are related. We tested four hypotheses to explain the relationship. The first hypothesis assumes that the interaction between age and the seasons of mortality causes the differences in lifespan by month of birth. For example, people born in April are older than people born in November when the high mortality of winter strikes them. The second hypothesis tests whether the differences are due to unobserved social factors that influence or result from the seasonal timing of births. The third hypothesis explains the differences in adult lifespan by differential survival in the first year of life, whereas the fourth hypothesis assumes that debilitation in utero or in the first year of life increases the infant's susceptibility to diseases at adult ages.

that's the strangest correlation I've ever come across, that actually makes sense and is not just random bullshit.

>>7031759
that was my first guess as well... winter might be strengthening babies who are born during cold months. but see these hypotheses as well: >>7031766 (third paragraph).


Anyway, anyone have other strange papers? post them!

Also, the effects on carrying a baby during winter can be harmful for fetal development. Even SAD could probably fuck you up in womb, though this is just conjecture.

>>7031781
>Also, the effects on carrying a baby during winter can be harmful for fetal development.
Ah, that angle, effect on pregnancy, is interesting as well! I don't think they looked at that hypothesis.

>Even SAD could probably fuck you up in womb, though this is just conjecture.
Could SAD affect babies tho? Could mother's SAD could affect a baby in her womb? Interesting questions...

>effect on pregnancy

babies born in winter means they started in spring
spring could have an effect on early development in the womb,
or it's vice versa, winter could have a bad effect in early development

I'd go with this one rather than winter making the babies immune system stronger

>>7031746
What about winter and summer?

There's a lot more unplanned pregnancies during the summer months. Unplanned = poor = shorter life expectancy. QED

>>7032578
This. If something seems so completely farfetched that there couldn't possibly be a causal relationship, there probably isn't, and it's likely the confounding variables aren't hard to find.

>A has a link to Z! but that makes no sense!
Well what are the things that are known to cause A?
>B, C, D, E, F, and G.
And what are the things that are known to cause Z?
>E, F, G, H, I, and J.
Well there's your answer.

>>7032578
Why are there more unplanned pregnancies during Summer?

>>7034257
because of summer partying bruh

>>7031746
How big is the difference?