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4
votes
2answers
53 views

Does freezing microorganisms such as probiotics kill them?

Does freezing microorganisms such as probiotics kill them? If not, what is the process that allows them to "come back to life" after the temperatures are increased? As an example, lets say you ...
2
votes
1answer
82 views

Why do humans stop growing?

Humans stop growing after reaching a certain height, right? Could you explain the reason, why humans stop growing? Many people say that people stop growing around the age of 21-25, so for what exact ...
3
votes
3answers
63 views

Can bioluminescence be used for cancer or tumor detection? [closed]

What diagnostic applications, if any, are there in using bioluminescence to detect cancer or tumors (in vivo)?
6
votes
2answers
52 views

What level of cellular radiation is harmful for humans?

What level of radiation at the frequencies used by the cellular network(1-2 Ghz) is harmful for human health?
1
vote
2answers
35 views

What's keeping living species from rotting?

Why do only corpses of species rot and be eaten by bacteria? What is keeping us from rotting? Just like fruits, and foods we eat; meat and vegetables rot when left uneaten. Like food, corpses rot and ...
1
vote
0answers
27 views

Does Smartphone cause ear pain? [closed]

I used samsung galaxy y for last two years. I used to speak more than 3 hours per day in the phone. Now if i bring any smart phones near to my ear, i can't bear the pain. I have little cold and 4 ...
6
votes
1answer
223 views

Why are particular laser-related skin products not recommended for darker skin tones?

This is about products such as: The "Theradome" laser helmet (this claims to stimulate hair growth through lasers) Theradomeā„¢, a biomedical engineering company based in the Silicon Valley, is ...
0
votes
1answer
61 views

What shows how healthy someone is by their heart rate? [closed]

What shows how healthy someone is by their heart rate - how low it is at resting pulse or how low it is during exercise or how large the difference is between the resting rate and rate with load? Any ...
0
votes
0answers
44 views

Is the molecule nitric oxide responsible for healing blood vessels?

Is the molecule nitric oxide responsible for healing blood vessels? How does nitric oxide heal the blood vessels? I watched a documentary about the healing effects of nitric oxide. In the video I ...
4
votes
1answer
76 views

Circulating factors affecting human health/longevity

Circulating factors present in young mice have been shown to promote rejuvenation of aged mice, suggesting that tissues have inherent capabilities to regenerate, and circulating factors may be ...
1
vote
0answers
38 views

Cigarette consumption dose-response function WRT health outcomes

I'm curious how health risks (mortality, lifetime probability of cancer, etc) change with cigarette consumption. Specifically, treatring cigarette consumption like a continuous variable, rather than ...
1
vote
1answer
64 views

Does physical exercise following lack of sleep increase the risk of sudden cardiac death (SCD)?

Is there any scientific evidence supporting the hypothesis that physical exercise following lack of sleep increases the risk of sudden cardiac death (SCD)? The only relevant research I could find is: ...
1
vote
1answer
63 views

Crude oil contamination hazard

I'm not sure if this is physics, biology or chemistry related so I will start here. I'm from a city (Baku, Azerbaijan) where crude oil is known to be extracted since ancient times. Oil is no longer ...
4
votes
1answer
103 views

Will genetically modified food affect our health?

It's a popular public sentiment that - GM foods like tomatoes (flavr savr) will affect our health.. Is there any logical scientific explanation behind this?
3
votes
1answer
24 views

Ultra Pasteurization and Pasteurization

What is the effect of pasteurization and ultra-pasteurization on proteins, enzymes, and nutrients found in milk and other dairy products?
3
votes
1answer
40 views

Can chitosan affect the absorption of unsaturated fatty acid?

I know chitosan will decrease the absorption of fat. However unsaturated fatty acid, such as DHA, is beneficial. Does chitosan effect the absorption of unsaturated fatty acid?
5
votes
1answer
97 views

How did people who were living far from the sea obtain iodine during the Middle Ages?

Knowing that today iodine comes either from fish products or (artificially) enriched table salt, how did people who lived far from the sea survive before (especially during the the Middle Ages)? Edit ...
15
votes
3answers
2k views

Why is high fructose corn syrup unhealthy?

I understand that high fructose corn syrup was found to have detrimental effects on peoples' health. Why is this so?
1
vote
0answers
49 views

Will breathing through mouth result in any disorders? [closed]

My nose is slightly bent. When I was born, I had an issue with breathing. My mom said that doctors had inserted a breathing tube in one of my nostrils. This tube may have caused the deformation. From ...
2
votes
1answer
155 views

what is the margarine metabolism in our body?

margarine is commonly used food ingredients that contribute to both inflammation and obesity , but actually I want to know the margarine metabolism in the human body I can find some resources talk ...
3
votes
1answer
107 views

What is the best time to exercise

So, after starting to gain weight on sitting in front of my computer too long, I have decided to take the plunge and maybe stick to an exercise regimen. As has been reported by some studies, ...
0
votes
0answers
26 views

Prenatal hyperkinetic dysfunction and its effect on endurace

Do people with an hyperkinetic dysfuntion have a better endurance? Are they fitter in cause of their Dopamine-overdose or any other reason? I have a case, where someone does not do any sports, but ...
2
votes
2answers
129 views

Can someone who is color blind recover color vision by surgical means?

I am currently studying color blindness, and there is no medicine that can help it. Is it possible nonetheless for someone who is color blind to have their eyes restored to normal color vision by ...
6
votes
1answer
809 views

Why do Bee stings cause swelling?

Why is it that when a bee stings, a little area around it gets swelled? I think it is some sort of defense mechanism of the body. But how does it help?
3
votes
2answers
157 views

Electronic cigarettes (e-cigs), any health risks?

Background: An electronic cigarette (e-cig or e-cigarette) is a battery-powered device which simulates tobacco smoking patented in 1963 by Herbert A. Gilbert. It generally uses a heating element ...