A qualified doctor challenging the Germ Theory of Disease after 1900? Wow.
This is just a smattering - just a random tasting - of the thousands - or perhaps millions - of studies showing that contagious diseases are contagious.
Dog to dog transmission of a novel influenza virus (H5N2) isolated from a canine
To determine whether the novel H5N2 was ...
The first cases in Brazil were nearly 500km from the GM mosquito testing areas, the other side of a state larger than Spain
Brazil wasn't even the first place this particularly explosive microcephaly-linked strain of the Asian lineage of Zika was spotted. Its genetics and behaviour link it to a very similar outbreak in French Polynesia (the ...
The best summary is probably to quote from the WHO director general Margaret Chan's statement on announcing that zika had been declared a "Public Health Emergency of International Concern":
The experts agreed that a causal relationship between Zika infection during pregnancy and microcephaly is strongly suspected, though not yet scientifically proven. All ...
taking away your stress
exercise is proven to increase concentrations of norepinephrine, a chemical that can moderate the brain’s response to stress.
and boosting happy chemicals
usually within five minutes after moderate exercise you get a mood-enhancement effect.
and alleviating long-term depression
data suggests that active people are less ...
A google search for "All of these men have it" "Stay away from dance halls" mainly got web 2.0 user generated content websites such as reddit and pinterest. I came across a thesis, but it gave a different year, saying that it was 1942.
By contrast, doing a search on the image gave a New Hampshire government website, with the following poster, by Montgomery ...
The claim is false, as evidenced by Prospective Evaluation of the Risk of Serious Bacterial Infection in Children Who Present to the Emergency Department With Hyperpyrexia (Temperature of 106°F or Higher) Pediatrics, July 2006; 118(1): 34–40.
Data were collected prospectively on all children <18 years of age presenting to a pediatric emergency ...
According to research at UC-Davis, quite the opposite is true. The key finding:
Our safety concern was that bacteria such as Escherichia coli O157:H7
and Salmonella, which might contaminate a work surface when raw meat
was being prepared, ought not remain on the surface to contaminate
other foods that might be eaten without further cooking. We soon ...
Tetanus toxin, which has been given the scientific name tetanospasmin, is created when the bacterium Clostridium tetani divides and grows. C. tetani cannot divide in an oxygenated environment, but as a piece of iron flakes off and rusts, it robs the surrounding environment of oxygen. This is the easiest way for C. tetani to reproduce and create toxins (...
The 20 million people in the United States at a given time figure is definitely too low.
According to Prevalence of Genital Human Papillomavirus Among Females in the United States, the National Health and Nutrition Examination Survey, 2003–2006 Journal of Infectious diseases (2011) vol. 204 pages 566-573.:
Overall prevalence of any HPV type as measured ...
It is of course difficult to pinpoint any number for all diseases and all countries, but is not just an anecdotal observation from your local oncology section:
In France, "the delay in diagnosis is indisputable," says Kahn. "About 50% of the cancer diagnoses one would expect during this period were missed."
— Aude Lecrubier: ...
Fingerprint scanners use one of two methods
See HowStuffWorks and note that this manufacturer has both "E-Field" and "Active Cap" sensors.
So not all fingerprint readers shine light on your fingers.
Also, patents such as this mention "light" and have no mention of "infra-red" so at first glance it ...
Regarding the bounty, which asks a somewhat broad question:
I still see comments in social media where people claim masks are ineffective. Has new data or research come out?
Yes. There's a Dec 18 meta-analysis of Covid-19 mask studies published over this year. Not surprisingly, masks were found to have worked for protecting healthcare workers from Covid-19 ...
As pointed out by @KonradRudolph, this is only a partial answer. It addresses sexually-transmitted diseases, but not others. It needs further additions or a companion answer to properly address the question.
Before we can point to the evidence that covers help, we need some evidence that there is any problem to solve.
In a Salon article, Mary Roach ...
The Tencent screenshot is almost certainly a hoax, for the simple reason that such screenshots are extremely easy to fake. For example, here's how easy it is to get a "screenshot" of the New York Times showing millions of people dead in Japan.
First, we search for coronavirus and pick a random article. Here's a good one:
Next, hit F12 to open up developer ...
It is fine to have a plausible theoretical model of what might happen when eating more fibre, just so long as the theoretical model matches the actual experimental data. When it doesn't, it is time to rethink the model.
What does the experimental data show? Well, we have a good source here:
Pablo Alonso-Coello, Ed Mills, Diane Heels-Ansdell, Maite López-...
The story is plausible for two reasons:
1) Most enlisted military personnel at a time of war up to the 1950's were young sexually-active males. This has long been the case and applies to the military of many countries, not just the USA.
2) In some cities in Japan, prostitution was legalised and the prostitutes had rates of STD infection of up to 95%.
We don't know exact numbers. As of July 17, 2020, international public health agencies have published no data regarding percentage reduction of transmission rates for Sars-COV-2 when masks are employed.
Professor Benjamin John Cowling, head of Division of Epidemiology and
Biostatistics at the University of Hong Kong, said there is no
evidence to support ...
Not only is this not true, but it is explicitly disproved by the sources provided by that very site. LOL!
Sharks do get cancer.
Further down on the same page as the claim, it says:
History of known shark tumors
Clicking on that link we get:
Gary K. Ostrander, Keith C. Cheng, Jeffrey C. Wolf, and Marilyn J. Wolfe, Shark Cartilage, Cancer ...
No, unless you are obese.
According to the National Institute of Health1:
In conclusion, when considering the signaling pathways involved in glucose metabolism in immune cells, it is generally accepted that glucose uptake and metabolism are promoted by PI3-K and its downstream signaling molecule Akt (both in T- and B-lymphocytes). mTOR appears to be more ...
First, it is important to understand the terminology being used.
There is the plant catnip.
From the plant catnip, catnip essential oil can be obtained by steam distillation. Only a tiny fraction of the plant material is essential oil.
According to Catnip as a Source of Essential Oils
Oil yield ranged from 0.1 to 0.2 mL/100 g dry wt
One class of ...
I work in Diabetes research in the UK and Can find no evidence to support the wild claims in the paper, press release and press reports. Sadly hidden away in a table in supplementary data is the fact that the result of improved glucose is a result folrom 3 people who had the vaccine compared to 3 had placebo. This very small number makes it very likely that ...
How much antibiotics affect gut flora is open subject, there are studies showing there is long lasting negative effect. Eg. "Gut microbiota disturbance during antibiotic therapy: a multi-omic approach"
This matters, because gut bacteria does help immune system.
Part of an abstract of paper published in the European Review for Medical and Pharmacological ...
According to Bacteriophage Distributions and Temporal Variability in the Ocean’s Interior mBio Nov/Dec 2017 Volume 8, e01903-17:
Phages have been
shown to kill hosts at rates of up to 20 to 40% of the total population per day,
potentially strongly impacting bacterioplankton populations (7,8).
Where reference 7 is Ecology of prokaryotic viruses. FEMS ...
Chronic Lyme disease or also the Post-Lyme disease syndrome is regarded the third and last stage following an infection with Borrelia burgdorferi bacteria , usually acquired through tick bites. It is not hard to get Lyme disease, especially not if you're in New England (incidence is over 30 in 100,000 in New England according to the CDC, around 8 for all ...
The idea behind BRAT is that none of the foods included are not particularly harsh on the gastrointestinal system, and are low in fibre. This is mostly true, although intolerances and allergies to Apples are reasonably common. However, there's no particular evidence that this aids recovery. Patients should eat a diet that is gentle on the system and ...
According to Medline Plus, a common cause of hemorrhoids is straining during the bowel movements. Straining can be due to constipation.
PubMed (A systematic review and meta-analysis)
Trials of fiber show a consistent beneficial effect for symptoms and bleeding in the treatment of symptomatic hemorrhoids.
Insoluble fiber absorbs water and makes stools ...
These estimates are worldwide, with this being the source (AMR = AntiMicrobial Resistance):
Antimicrobial Resistance: Tackling a crisis for the health and wealth of nations
The 700k number was apparently calculated by extrapolation, which is not very reliable:
The scientists led by Marlieke de Kraker found the Review’s global deaths estimate not credible ...
So the questions are:
Is the Zika virus "relatively new"?
Zika virus is an emerging mosquito-borne virus that was first identified in Uganda in 1947 in rhesus monkeys through a monitoring network of sylvatic yellow fever. It was subsequently identified in humans in 1952 in Uganda and the United Republic of Tanzania.
To compare, ...
Issue: Whether stopping a course of antibiotics earlier will increase the risk and spread of resistant disease causing bacteria in the body?
Traditional evidence pointed out that early stoppage of antibiotic intake decreases the chances of killing all bacteria causing infection and increases the risk of infection.
By taking the full course ...