Health Stack Exchange
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1500 questions
22
votes
3 answers

Can being cold or wet be a significant influence in getting the common cold?

As most people know, it's a common thing to say something like "better wear a sweater, otherwise I'll get the cold tomorrow." In my limited understanding, the common cold is caused by a virus. How does being cold affect this? Can being cold and/or…
Martin Tournoij
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How cautious do I need to be with unvaccinated students around newborns?

I teach martial arts, and my wife teaches dance. I know of one student for sure (And I would presume that there are at least a few others) that have not received the normal United States progression of childhood inoculations. I also have a <6 month…
JohnP
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Is there any evidence for health benefits from cannabis?

From the Wikipedia article on medical cannabis: The Cannabis plant has a history of medicinal use dating back thousands of years across many cultures. Its usage in modern times is controversial, and in recent years the American Medical …
Nate Barbettini
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22
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2 answers

Is rapid weight loss unhealthy?

A commonly quoted figure is that 1-2 pounds (0.5-1 kg) a week is a healthy rate at which to lose weight, and that 'crash diets' are bad for you. What is this figure based on, and in what way is losing weight faster than this unhealthy?
Wossname
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3 answers

How many people end up needing medical attention during the 15 minute window after receiving the Pfizer vaccine?

Everyone receiving the COVID vaccines is asked to wait for 15 minutes in case they have a bad reaction to the shot. Given that we've now had hundreds of millions of Pfizer vaccine shots injected around the world, is there any data showing how many…
JonathanReez
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3 answers

Father gets chickenpox, but doesn't infect his two children. How is this possible?

My brother in law got chickenpox, yet somehow he didn't infect my two nephews, even though they are living together. According to wikipedia, varicella has an infection rate of 90%: Varicella is highly communicable, with an infection rate of 90% in…
user1721135
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2 answers

Is Low Blue Light helpful for preserving eyesight?

I'm a coder and interested in save my eyesight. I've met the term named low blue light. Monitors decrease the level of blue color and theoretically protect my eyes. Here's a quote from monitor manufacturer Benq site BenQ takes the eye health of…
Alex Antonov
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Is eating a meal with 2000 Calories at once any different from eating 4 times at 500 Calories?

I wonder if there any difference in how many times I eat per day? Let's say I eat one big meal in the morning at 2000 kcal (at 9am). Is that any different than having 4 meals at 500 kcal throughout the day (at 9am, 1pm, 5pm, 9pm)? I think I will be…
bodacydo
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21
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2 answers

Is "smokers lungs" a lie?

We've probably all seen photos of smokers' lungs compared to non-smokers lungs. For example: These images are commonly used in anti-smoking materials, at least in the US, and I've never had cause to question them. However, this guy claims the…
Carey Gregory
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How do you read a US nutrition label?

I want to clean up my diet, and be more aware of what I'm eating and how much, but I'm not sure how to read a nutrition label. I see the breakdowns of various vitamins, the calories and the breakdown of various elements (fats, protein, etc), but I…
JohnP
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Is SM-102 a safe ingredient in the Moderna vaccine, despite these safety warnings?

I recently saw a post online which called into question the safety of the Moderna vaccine through an interesting argument. One of the ingredients in the Moderna COVID-19 vaccine is the ionizable amino lipid SM-102. [Source] Information about this…
Arturo don Juan
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21
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2 answers

What is the main way COVID-19 spreads?

Reading numerous news articles about COVID-19, I got confused as to what is its main transmission route. In particular, I am confused as to whether it is direct landing of respiratory droplets in mouths and noses, contaminated surfaces, aerosols…
Mitsuko
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21
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2 answers

Can long term sleeping at day damage your health?

I've passed half or more of my life, sleeping in very late and often after the sun rises. Now I believe that I'm already feeling its effect. Some of my hormones are under the ideal levels and I have a deficiency in vitamin D. What are the effects of…
Freedo
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Is it better to eat fruit as they are, than to have them in liquid form?

For example, I have 4 oranges. I can either eat them whole (assume I consume every last bit of the flesh) or blend them into a juice and drink it (assume I consume every last bit of it). Which is better? One thing I've heard is that you get less…
user7
20
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1 answer

Are there any proven benefits of electric toothbrushes over manual toothbrushing?

Advertising has extolled the benefits of electric-powered toothbrushes for decades now, and dentists seem to prefer certain brands over others, some even selling them in their offices. In almost every home I know of (including mine), someone uses an…
anongoodnurse
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