 |
| Graph from the video above |
Record Sea Ice Caused By Global Warming
-
In 2014, NOAA explained that record high levels of Antarctic sea ice were
caused by global warming. “So as counterintuitive as expanding winter
Antarctic s...
2 hours ago
3 comments :
https://www.ncbi.nlm.nih.gov/pubmed/23633321
Hi JC,
Thanks for the link. It was only 4 weeks. The question is how to reconcile that with the long term observational statistics (see my previous post). I would be worried about basing the long term guidelines on short term studies, it could be like with veganism or moderate alcohol or recreational marihuana when the short terms effects are positive but long term are very detrimental.
Regards,
Heretic
Also, the effect was quite small. For such a drastic reduction, blood pressure was quite modest, especially in non-hypertensives:
Quote:
...in hypertensives, the mean effect was -5.39 mmHg (95% CI: -6.62 to -4.15, I (2)=61%) for systolic and -2.82 mmHg (95% CI: -3.54 to -2.11, I (2)=52%) for diastolic BP.
In normotensives, the mean effect was -2.42 mmHg (95% CI: -3.56 to -1.29, I (2)=66%) for systolic and -1.00 mmHg (95% CI: -1.85 to -0.15, I (2)=66%) for diastolic BP.
Even in case of hypertensive, a mean -5.39mmHg/-2.28mmHg change is very small. For example if one has got 160/80 it would lower the averages only to 155/78, the change would be probably unnoticeable given a measuring accuracy. In people with hypertension, the biggest problem is unstable pressure, or occasional dangerously high blood pressure peaks. I wonder if there are studies dealing with that?
Post a Comment