Jump to content


Senior Members
  • Posts

  • Joined

  • Last visited

Profile Information

  • Favorite Area of Science

Recent Profile Visitors

The recent visitors block is disabled and is not being shown to other users.

Alfred001's Achievements


Atom (5/13)



  1. Of course, no one is saying exercise is detrimental and perhaps even with strenuous exercise the net effect is beneficial, but the question becomes can you hit some sweet spot of intensity where you're getting the benefits while eliminating or minimizing the ROS generation so that you maximize the net benefit and avoid any potential drawbacks. Which poses the question of, as you move the intensity slider from low to high, how do the benefits change and how does the ROS generation change. Meaning do the benefits keep increasing with intensity and at what point of intensity do you hit a level of ROS generation that the antioxidant system can't handle. Where is the sweet spot? Is anyone aware of any research looking into this question? And it may be a relevant question, because perhaps exercise, once you cross a certain threshold of intensity, yes, reduces your risk of cardiovascular disease, but because of the oxidative damage, increases your risk of cancer. I mean, afterall, they do say
  2. I'm reading this article, which arrives at the following conclusion: My questions are: #1 Is this a legitimate conclusion and #2 if it is, what is "extreme or exhaustive" physical activity which could achieve this overproduction of ROS above the body's antioxidant defense? What level of exercise are we talking about? I've just never heard of exercise potentially being detrimental to health, so I'm a little shocked. It goes against all advice you ever hear throughout your life where exercise is presented as an unqualified good.
  3. I was listening to a podcast and the hosts, who are magazine editors, mentioned a headline they had a disagreement over. The article was about poets laureates being removed from their post and the headline was "unacknowledged legislators impeached." When one of the hosts mentioned the headline, someone went ah, in a "that was clever" way, but I'm apparently not, because I don't get it. Where's the cleverness?
  4. What does the evidence say (if there is any) on a) the safety and b) the efficacy of COVID vaccines in people with IgA deficiency? I assume both a and b may differ depending on whether it's an mRNA or old technology vaccine.
  5. It's just an urea breath test for h pylori, you're not giving medical advice, just advice on how to dissolve citric acid in water.
  6. Because it's for a medical test, so I have to be sure it's done the right way. Thanks for the polite answer.
  7. And when you say it takes time to dissolve, is it like a matter of seconds or more of a longer time frame?
  8. Would stirring and shaking at room temperature be sufficient?
  9. I want to dissolve either 3 or 4g of citric acid in 100 or 200 ml of water. Now, I'm totally illiterate when it comes to chemistry, so I'm wondering, is there something in particular I need to do beyond just dumping the citric acid into a container of water? Will it just dissolve at room temperature in tap water? Also, how long will it take for it to dissolve, is it instant or do I need to wait a period of time?
  10. I was listening to a conversation about potential cancer vaccines from The Spectator and at one point (43:30) Karol Sikora, who's the expert in the conversation, brings up this concern with mRNA vaccines of whether the RNA can insert itself into the genome of host cells and whether this might confer a cancer risk 30 years down the line. I'd never heard this possibility brought up during the height of the discussion about vaccines. Is this a legit concern?
  11. How long are seeds of plants typically viable? In other words, how long after a seed has been plucked from a plant can it be planted into the soil and produce a plant?
  12. I'm wondering of there is an explanation in evolutionary psychology (or some other field of science) to the curious phenomenon that red hair in men is regarded as unattractive while in women it is neutral or attractive. Seems to me, from an evolutionary psychology perspective, however it is regarded, so it should be regarded in both sexes, because both have an equal chance of passing the trait on and whatever fitness effect it has it should be equal in both sexes.
  13. I got symptoms Sunday afternoon (chills which evolved into a fever and general weakness which was later joined by a headache). At one point I collapsed on my way to the bathroom. By Monday evening, the symptoms were largely gone and this morning I'm symptom free. We did a COVID test, but my mother rubbed the q tip inside my nose cavity, not the area behind the nose, so, although the test came back negative, I don't know whether I can trust it. I'm double Pfizer vaxxed, though ma last dose was in July. With all this in mind, do I need to get tested before going outside, or can I take my absence of symptoms to mean that if this WAS COVID, I'm no longer contagious? Can I go outside tomorrow? (I have an appointment with a doctor, unrleated to this)
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.