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How do you check whether you've applied enough sunscreen? [closed]

In my personal experience, most people don't take the threat of skin cancer posed by UV rays very seriously. I definitely know that I was burnt a few times as a child and that there was nobody out ...
Andrew Jackson's user avatar
0 votes
0 answers
27 views

Diode laser hair removal is better than IPL? Why? [closed]

Has anybody ever used DermRays Diode laser hair removal? Is the effect of its hair removal really good? Can permanent hair removal be achieved? Is it better than Ulike and Braun IPL?
Anna Emma's user avatar
6 votes
1 answer
1k views

"Uterine Disease" in 1880

In genealogical research, I have found a woman in the 1880 US Census in the Institute for Women and Children in New York City.Her illness is listed as "Uterine Disease". The Women's Medical ...
Beverly Howard's user avatar
0 votes
0 answers
26 views

How does kidney injury reduce Gfr [closed]

If the glomerulus of a kidney is injured then why doesn't all the filtrate just pass through and come out as urine? Why is the gfr reduced and not high?
Vin's user avatar
  • 1
0 votes
0 answers
55 views

Throat bleeding at night

This is not the clinical case of a current person, but of someone who died years ago due to an accident, so the cause of his case was never clarified. This was a fairly elderly person who some nights ...
Petersu's user avatar
0 votes
0 answers
38 views

10mg melatonin for 15 years old [closed]

Basically, I took one 10 mg melatonin gummy. I'm 15 years old. I just mistook it for something else. What consequences may it have, and how can I address them, please?
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0 votes
0 answers
47 views

What is the dose-dependence of cigarette smoking and skin damage?

I am aware that the number of cigarettes smoked does not scale linearly with risk to cardiovascular and lung health, with even occasional smoking significantly increasing risk (Schane et al., 2010. ...
tom894's user avatar
  • 109
0 votes
0 answers
46 views

Is it possible to reliably test or measure one's ability to taste?

For one's eyesight and hearing capability, there are tests that allow doctors to quantitatively assess how well these senses perform. With regards to people's ability to taste, I don't know any of ...
Max Muller's user avatar
12 votes
2 answers
5k views

Is it possible to survive your appendix bursting without surgical intervention?

I am listening to Rick Rubin's The Creative Act: A Way of Being on Audible, and in his chapter "look for Clues" at 2 minutes and 45 seconds, he makes a peculiar claim. He claims that his ...
Curious Layman's user avatar
0 votes
0 answers
13 views

How can food preparation increase Lectins? [migrated]

I just read this articale that shows in table 2 how food preparation effects Lectins. It is said that soaking, boiling, autoclaving, germination and fermentation reduces the concentration, while ...
LulY's user avatar
  • 101
1 vote
1 answer
35 views

ECG: vector perpendicular to lead axis and its pattern

I have come across a contradiction while learning about ECG. Some sources say that a biphasic deflection (two waves of same size but of opposite directions) is drawn on ECG tracing if the electrical ...
Mario Bedon's user avatar
1 vote
0 answers
53 views

Does stimulating lymph flow speed up adaptive immune response?

TL;DR it seems that one mayor factor slowing down the adaptive immune response is the slowness with which Dendritic cells travel through the lymphatic system. Is it effective for to purposefully ...
Poseidaan's user avatar
  • 111
11 votes
1 answer
1k views

Why is post exposure vaccines given for some diseases & why does it work?

A vaccine essentially simulates an infection so that our body produces antibodies against it & thus helps when we actually get infected in the future. But for some diseases, we see post exposure ...
user93353's user avatar
  • 159
0 votes
0 answers
48 views

What is the part between the eyebrow tail and above the eyelid called?

I need to know the anatomical name of the portion of the face between the eyebrow tail and the eyelid, as highlighted in red in the image below, as I need to refer to that particular area in writing ...
hecate's user avatar
  • 101
1 vote
0 answers
13 views

minimum healthy ratio on a nutrition label: Unsaturated/Saturated fat? [closed]

This is not a question about overall or daily nutrition intakes (ex: not asking percentage of daily fat or calories). Instead, I'm asking about assessing an individual nutrition label: To help decide ...
cellepo's user avatar
  • 111
1 vote
0 answers
40 views

CDC Temperature Requirement for Vaccines

We're facing a problem within several health facilities regarding vaccines storage. The CDC requirement for vaccines is to be kept in the 36°F - 46°F (2°C - 8°C) range, or equivalently, in the 41+-5°F ...
Brethlosze's user avatar
0 votes
0 answers
57 views

Why can't antiseptics and other chemicals be used against fungal Infections?

Fungal infections in humans are generally cutaneous and not lethal Mammals are highly resistant to systemic fungal diseases. Whereas dermatophyte-associated diseases are common, these are seldom life ...
Aurelius's user avatar
  • 101
9 votes
1 answer
1k views

How does a thymus transplantation work? Why doesn't it result in rejection of the recipient's... everything?

I read that DiGeorge syndrome can result in a baby being born completely lacking a thymus. That page also says that this can be treated through thymus transplantation. My understanding of the thymus ...
Chris.B's user avatar
  • 191
1 vote
0 answers
40 views

Doctorate in Medical Informatics [closed]

I am a scientific employee at a medical faculty. I administer and develop data capturing tools for medical studies and I want to get my doctorate. I want to build a data sharing platform, where ...
Marcel's user avatar
  • 11
2 votes
0 answers
18 views

Why can't you bend your index finger after your nervus medianus gets injured?

When you get a proximal injury of your nervus medianus, you get the symptom called "The hand of benediction". So among other things, you can not bend your index finger (because your mm. ...
Zwerg's user avatar
  • 131
10 votes
1 answer
4k views

Why can we extend the middle finger when there is only one muscle for all fingers?

I'm wondering: there is the musculus extensor digitorum, that extends finger 2 to 5 up. There is an extra muscle for the 2. and the 5. finger (m. extensor digiti minimi and m. extensor indicis). But ...
Zwerg's user avatar
  • 131
1 vote
0 answers
28 views

Why is there a rapid ejection phase followed by a slow ejection phase in isotonic contraction, why isnt this a steady rate?

Trying to work our how the cardiac cycle works by gaining a deep understanding, would appreciate any explanations which go into such depth and what variations we may see if this was a pathological ...
Leona's user avatar
  • 11
1 vote
0 answers
77 views

Why is cirrhosis not more common due to sugar consumption?

I saw a 55 year old celebrity died from Cirrhosis. Cirrhosis happens after Steatosis. According to StatPearls: Daily consumption of 30 to 50 gram of alcohol for over five years can cause alcoholic ...
sergbot's user avatar
  • 111
-1 votes
1 answer
69 views

Research into caffeine that wears off quickly [closed]

Everyone agrees that the sleep disruption is the biggest reason to avoid caffeine. But what if we can make a caffeinated product that only lasts a few hours, so that we can fall asleep both on time ...
John Jiang's user avatar
1 vote
0 answers
43 views

(Re)Using HEPA filters at a Convention [closed]

We were planning to bring residential HEPA filters to a convention to reduce potential viral load. However, the filters are rated for 3-6 months, and it seems wasteful to discard the filters after a ...
gmatht's user avatar
  • 121
3 votes
1 answer
95 views

What limits the VO2 (rate of oxygen consumption) in individuals?

I am quite confused regarding what limits the VO2 max, options are (1) number of mitochondria or (2) the ability of the cardiovascular system to deliver oxygen to tissues. I believe it should be the # ...
helplessstudent147's user avatar
0 votes
0 answers
16 views

Describing the relationship between catheter lumen occupancy and distal blood pressure in intracranial

I am trying to characterize how the outer diameter (OD) of an aspiration catheter affects blood pressure at the face of a thrombus relative to the caliber of the vessel. In other words, how does the ...
Brock's user avatar
  • 1
1 vote
2 answers
205 views

How does blood flow change between systolic and diastolic phases?

Summary What is the change in flow between systolic and diastolic phases specifically in the muscular arteries? There is a lot of information on how pressure changes between these phases (see graph) ...
Luke Hamilton's user avatar
1 vote
0 answers
38 views

Does an increased heart rate from stimulants train the heart as if the increase came from exercise?

Bottom line it will probably be unhealthy - but if the effect on heart fitness is viewed in isolation?
Adler's user avatar
  • 213
1 vote
0 answers
32 views

Swallowed mucus/phlegm effect on feces/stool movement out of one's bowels [closed]

Lol, Sorry if this sounds disgusting. :) However, Swallowing my mucus/phlegm when I have a cold, fever, running nose, sore throat seems to make my improves feces/stool movement so that it quickly ...
crazyTech's user avatar
  • 111
1 vote
0 answers
47 views

Isotretinoin Contraindications [closed]

Why is Isotretinoin (Accutane) contraindicated in migraine patients? I’ve seen many doctors saying that you should not take isotretinoin if you have a migraine, is there a reason behind it?
Shadow Nik's user avatar
0 votes
0 answers
58 views

Desirability of blood groups from recipient’s perspective

To keep things simple, I limit myself to considering the ABO-Rh system. The associated antigens and antibodies induce a relation we can call the can-donate-to relation on the groups, so for example, A–...
Paul Tanenbaum's user avatar
0 votes
0 answers
25 views

Is fat burned even at caloric maintanance?

I have searched up that it looks like for the bodies daily needs of energy it uses a combination of energy sources even stored body fat (Substrate utilization at Rest). But these sites are complicated ...
Golden Boy's user avatar
1 vote
1 answer
101 views

Can you get shingles if you never have had chickenpox but got the chickenpox vaccine?

Some sources say it's possible, while others say the opposite. The following links are just some of the examples. But in theory you need to have had chickenpox first before you can get shingles. Isn't ...
Maurice's user avatar
  • 145
0 votes
0 answers
39 views

Will PTFE scratched off a Teflon non-stick pan accumulate in the body or pass through the digestive tract unaltered?

I believe to have seen conflicting information regarding the question of whether cooking with PTFE coated kitchenware can be unhealthy. For the purpose of this question, let's assume the pan is not ...
Damian Birchler's user avatar
1 vote
0 answers
38 views

Do ADHD stimulants harm a brain in the long run? [closed]

Do ADHD stimulants like Ritalin harm a brain in the long run? What is the safe level per day when using Ritalin?
Ahmet Sou's user avatar
2 votes
1 answer
64 views

What is more immediately deadly, UV or Heat

I have tried to find a direct answer to this, but it's very difficult as all results direct me to cancer conversations. Suppose that one is dealing with extreme temperatures and sun exposure; on a ...
John Mercer's user avatar
1 vote
1 answer
66 views

Does blood pressure continue through the diastole phase if the blood pressure cuff pressure is not released sufficiently?

I've been having trouble understanding literature around the auscultatory blood pressure measurment technique. The values of systolic and diastolic pressure are then determined in a process where a ...
SeanJ's user avatar
  • 111
1 vote
1 answer
64 views

is Typhim Vi a live vaccine?

I have contacted 2 local pharmacies, one informed me Typhim Vi is a live vaccine, while the other one told me it is not. I have searched online and was not able to find a conclusive answer. CDC only ...
Maurice's user avatar
  • 145
1 vote
1 answer
116 views

Can patients receive SHINGRIX together with TWINRIX or AREXVY?

Can patients receive SHINGRIX (Recombinant Adjuvanted Zoster Vaccine) together with other vaccines? Specifically either: TWINRIX (Hepatitis A & Hepatitis B Recombinant Vaccine) AREXVY (...
Maurice's user avatar
  • 145
1 vote
0 answers
38 views

What does a lipid panel measure?

A lipid panel measures serum cholesterol and triglycerides: https://my.clevelandclinic.org/health/diagnostics/17176-lipid-panel If the subject is fasting, then, would it be accurate to state that the ...
John Doe's user avatar
1 vote
0 answers
40 views

Where do I get deeper information about the origin of anatomical names?

When I am learning anatomy, I sometimes wonder "why does this structure is called like that". For instance: Today I found out where atlas and axis got there names from. Wikipedia told me &...
Zwerg's user avatar
  • 131
2 votes
1 answer
97 views

Should you use mouthwash after sugary food

Brushing your teeth after eating sugary foods can damage your teeth and you should wait at least an hour after. For example, take this quote from a paper on "Sugar-Sweetened Beverages": ...
joshlk's user avatar
  • 121
5 votes
0 answers
146 views

Have T-cell receptors been engineered on viral capsids for targeting cancerous cells?

As explained in the answer of another question, a difficulty of cancer therapeutics is the delivery of the therapeutic to only the cancerous cells, which need to be identified among healthy cells. The ...
Colin Pace's user avatar
2 votes
0 answers
25 views

Why does a UMN lesion cause hyper-reflexia?

I can see from my reading that "A lesion in an Upper Motor Neuron (UMN) causes Hyper-reflexia (with regards to the Golgi Tendon Reflex)". I have read various resources but none of them give ...
A.B.S's user avatar
  • 21
1 vote
0 answers
131 views

T1 weighting vs T2 weighting for monitoring a brainstem lession

https://www.researchgate.net/figure/1-Typical-values-of-relaxation-parameters-T1-and-T2-ms-for-Hydrogen-components-of_tbl1_291346848 I see from the table (various tables actually from diverse papers ...
George Ntoulos's user avatar
1 vote
0 answers
41 views

Asymptomatic infections in the Pfizer/BioNTech approval study of Covid-19 vaccine

The usual criticism of the Pfizer / BioNTech approval study for their mRNA Covid-19 Vaccine was that asymptomatic infections could not be detected. But according to the protocol, page 65, regular ...
viuser's user avatar
  • 238
0 votes
1 answer
97 views

Why do some medication package inserts suggest talking to a doctor instead of providing advice?

Can someone help me to understand why that information is printed If you are pregnant or breastfeeding, or think you may be pregnant, or If you are planning to become pregnant, ask your doctor before ...
trash1's user avatar
  • 21
2 votes
1 answer
156 views

How much lead would need to be ingested daily to show symptoms of lead poisoning?

There are a number of sources that claim 18th century aristocrats contracted lead poisoning from eating tomatoes off of pewter plates: Because tomatoes are so high in acidity, when placed on this ...
rphv's user avatar
  • 123
2 votes
0 answers
51 views

Danger of Radon at the reference levels of 100Bq/m³ and 300Bq/m³

In many regions of the earth there is a natural emission of radon, a radioactive gas, from the ground. Radon can accumulate in houses and reach levels that are dangerous for human health leading to ...
Klaus Niederkrüger's user avatar

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