SKU: 70049778425

Continual Raving C

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Continual Raving CNot all scientific discoveries are genius. Continual Raving tells the combined stories of how scientists across the 19th and 20th centuries defeated meningitis not through flawless scientific research, but often through a series of serendipitous events, misplaced assumptions, and flawed conclusions. The result is a story of not just a vanquished disease, but how scientific accomplishment sometimes occurs where it's least expected. Although symptoms of

Not all scientific discoveries are genius.

Continual Raving tells the combined stories of how scientists across the 19th and 20th centuries defeated meningitis -- not through flawless scientific research, but often through a series of serendipitous events, misplaced assumptions, and flawed conclusions. The result is a story of not just a vanquished disease, but how scientific accomplishment sometimes occurs where it's least expected.

Although symptoms of meningitis were recorded as early as Hippocrates and the ancient Greeks, our understanding of the disease's origins and mechanisms remained obscure for most of human history. That changed in 1892, when German physician Richard Pfeiffer observed and isolated bacteria ultimately shown to cause meningitis in children -- and concluded that those bacteria cause influenza. Haemophilus influenzae, as thee meningitis-causing bacteria have been erroneously named ever since, continued their strange journey to discovery in the decades that followed.

Continual Raving traces the disease's strange encounters with science, including:

- Heinrich Quincke, the German internist who first used a needle to draw spinal fluid from between a patient's back bones
- Simon Flexner's management of American meningitis epidemics using immune serum from a horse
- American bacteriologist Margaret Pittman's discovery (during the Great Depression, no less) of a sugar overcoat that protects the bacteria from white blood cells
- Pediatrician Ashley Weech, who gave the first antibiotic used in America (based on instructions written in German) to a young patient sick with meningitis
- Microbiologist Hattie Alexander, who learned why these antibiotics sometimes fail in such patients
- Four scientists, in two teams, as they vied to be the first to create the right vaccine to prevent meningitis in infants

In each of these deeply human stories, variables of chance, circumstance, and incorrect assumptions intervene to shape not just the arc of the scientists' lives, but the trajectory of how humans have come to understand one of our most pernicious diseases. Continual Raving is a mosaic tale of how science conquered meningitis -- and a larger story of the sometimes winding road to discovery.

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SKU: 70049778425

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Ione Brasil
Whiting, US
★★★★★ 5
Great Magnesium Blend That Actually Works
Size: 100 Count (Pack of 1), Size: 100 Count (Pack of 1)
I’ve been taking Life Extension Magnesium Caps (500 mg) for a few weeks now, and I can really feel the difference. It’s a blend of magnesium oxide, citrate, and succinate, and I’ve noticed improved sleep quality and fewer muscle cramps at night. The capsules are easy to swallow and don’t upset my stomach, which has been an issue with other magnesium supplements I’ve tried. Plus, I like that they’re vegetarian-friendly and come in a 100-count bottle, which lasts a good while. What I appreciate most is how balanced this formula feels. I take it mainly for sleep, muscle support, and overall well-being, and I genuinely notice I feel more relaxed, especially in the evenings. For the price and quality, it’s a great value. I’ll definitely keep this one in my daily routine.
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Reviewed in the United States on June 18, 2025
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Southwest Skye
Carnegie, US
★★★★★ 5
This Magnesium Is Worth It!
Size: 100 Count (Pack of 1)
Life Extension is a quality company, and this Magnesium is very good. I have been taking it for maybe a year, and it helps me steer clear of debilitating nightly leg cramps, and also helps my digestion from getting sluggish. I don't really see any reason to change brands, because I trust Life Extension to deliver a high-quality product, so I'm just gonna stick with it. Recommended!
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Reviewed in the United States on December 3, 2025
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Angela
Belleville, US
★★★★★ 5
Truly a miracle worker!!
Size: 100 Count (Pack of 1)
I used to wake up every day and struggle to go to the bathroom. After taking these for just one week straight, I have already started to become normal having at least one bowel movement a day. This is my third bottle. I take them everyday and don't think I will stop.
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Reviewed in the United States on May 3, 2026
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mog703
Charlottesville, US
★★★★★ 4
Only one capsule per day
Size: 100 Count (Pack of 1)
You need to be careful when comparing vitamins and supplements anywhere you choose to buy them because although they will advertise 500mg,for instance, some you need to take two tablet to get that 500mg. I think that is a little shady and makes it harder to compare. I chose to go with the 1 capsule equals one dose brands. It just makes me trust them more. This is one of those brands. I actually have only been taking them for a week or two but if they were not 500mg and a good quality magnesium my body would tell me in just a few days. These have been working fine for my sleep and nerve pain so i do recommend them. There is only one con I would have yo say that I wish they would specify what percentage of which type of magnesium this is. Most likely the oxide at this price but it just would be nice to know. I have the subscribe and save so plan on sticking with it. Good price and it is what they tell me it us plus only one per day. Nice find.
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Reviewed in the United States on January 27, 2026
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Jana Jones
Waukegan, US
★★★★★ 5
Good quality and easy to take
Size: 100 Count (Pack of 1)
These magnesium capsules are easy to take and seem to be very good quality. The capsules are a good size and easy to swallow. I like that this is a trusted brand, and it fits well into my daily routine. Very happy with this purchase. We have taken several brands and thi brand is the best. We are going to be using life extension for more supplement needs.
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Reviewed in the United States on March 17, 2026

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