78 votes
Accepted

How can I protect my eyesight when using computers?

20-20-20 Rule Every 20 minutes of looking at the screen, look at something 20 feet away for 20 seconds. Also, try to blink a lot. Adjusting settings Using a larger font to read helps to reduce eye ...
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  • 7,717
25 votes

How can I protect my eyesight when using computers?

There are some options you have to reduce eye strain. You can get an anti glare cover for your monitor You can also adjust lighting of your work area (not always possible) by lowering internal ...
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  • 571
24 votes
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What's the best long-term sitting posture?

The best long-term perfect posture is subjective due to the variety of body types, incorrect posture differs from person to person and person's proper posture can be incorrect posture for someone else ...
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  • 4,697
22 votes

How can I protect my eyesight when using computers?

The primary risk is what is called Computer Vision Syndrome (ref, ref, ref). The American Optometric Association (referenced above) recommends the following changes in viewing habits to alleviate ...
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  • 651
14 votes

How can I protect my eyesight when using computers?

You can also use f.lux, it is a software that adjusts automatically and according to your location the brightness and contrast of your monitor. It lowers UV light during day, and lowers IR light ...
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  • 159
9 votes
Accepted

Why is it a bad idea to re-heat drinking water?

Water isn't pure H2O; there are all kinds of dissolved substances in it: minerals, chemicals, etc. This is why scientists use only distilled water in experiments (often twice-distilled). Some ...
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9 votes
Accepted

Effects of commuting on health

When studied from a physiological point of view, commuting is generally divided into two categories: active and non-active. The former involves modes of transportation such as walking and bicycling, ...
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  • 1,838
8 votes
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Are computers bad for health?

Like all things too much of anything is bad for you. As a designer working in the tech industry for over a decade, here's a few things I experienced and that might (I hope not) impact you. wrists ...
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8 votes

Are there behavioral causes for myopia?

I think there's a link, but no one can say that this is the cause of myopia According to American Optometric Association : The exact cause of nearsightedness is unknown, but two factors may be ...
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  • 787
7 votes
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Lifetime cancer risk for people with healthy lifestyle

First of all, your numbers are good, but they depend on when one was born, and are higher for younger people: The lifetime risk of cancer increased from 38.5% for men born in 1930 to 53.5% for men ...
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  • 6,998
7 votes
Accepted

What are effective lifestyle modifications for people with gastric acid reflux?

It sounds like you know that some lifestyle modifications have been shown to be beneficial with patients who have mild to moderate GERD and that these interventions are typically preferable to ...
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  • 211
7 votes

What's the best long-term sitting posture?

Short answer: there is no best long-term sitting posture. If there is any, take care of posture (I'd risk to say upright is best), and move every certain amount of time in the chair and/or around. I'...
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  • 171
6 votes

How can I protect my eyesight when using computers?

The Vision Council, which represents the manufacturers and suppliers of the optical industry, suggests the following tips to prevent and lessen digital eye strain: Adjust the brightness of your ...
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  • 4,697
6 votes

How can I protect my eyesight when using computers?

The health of your eyesight when using computer it really depends what kind of screen you're using and many other factors (DNA, diet, etc.), but in general, modern monitors (such as LCD, LED-backlit, ...
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  • 4,697
6 votes
Accepted

Can oversleeping be harmful to overall health?

Studies have linked oversleeping with Cognitive impairment Depression Increased inflammation Increased pain Impaired fertility Higher risk of obesity Higher risk of diabetes Higher risk of heart ...
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  • 130
5 votes
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Can crossing my eyes damage them?

It is actually a pretty common myth that crossing your eyes too much or for too long will make them get stuck that way. Crossing your eyes does look very similar to strabismus which is an actual ...
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  • 7,717
5 votes
Accepted

What are the benefits of high testosterone in men?

What are the benefits of high testosterone in men? what benefits does high testosterone actually entail? Mental health discussion would be interesting too, if there's any association ...
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  • 449
5 votes
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What diseases can be cured by laughing?

We have all heard the saying that "Laughter is the best medicine" and some people in the medical community have been sceptical of the healing power of laughter, but that's changing. In fact, doctors ...
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  • 5,852
4 votes

Are there behavioral causes for myopia?

I think the best known environmental risk factor (to date) for myopia is lack of intense/outdoor light exposure. The pathway for this is reasonably well understood, namely: lack of intense light ...
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  • 5,773
4 votes
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Why do people get nosebleeds from overexerting themselves or when they're sick?

Blood vessels do pop or rupture at times, causing a nosebleed. So what exactly in the sick and stressed cause them to have more nosebleeds? In regards to the sick, medicines that cause you to bleed ...
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  • 4,896
3 votes

Itchy Shins! Footwear or Shin Splints?

Shin splints is dull, burning or throbbing pain (not itch) on the inner (medial) side of the shin in one or both legs. It appears at a certain time after onset of an exercise and typically resolves ...
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  • 15.6k
3 votes
Accepted

Can wearing retainers at night affect sleep quality?

A systematic review of the side effects of retainers said nothing about sleep related side effects, so they probably are not a significant problem. There are a few related studies that look at an ...
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3 votes

Is eating refregerated home cooked food daily bad for health?

Prepared food is typically good for 3-4 days in the refrigerator food safety guidelines Frozen is is even longer. It would be cooled (not frozen) in a normal refrigerator. Healthy depends on ...
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  • 324
2 votes

What are effective lifestyle modifications for people with gastric acid reflux?

Effective lifestyle modifications would include: Weight loss - excess weight causes pressure on the stomach, overcoming the lower-oesophageal sphincter and pushing acid into the oesophagus ...
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2 votes
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What is the genetic vs non-genetic contribution to lifespan?

A few countries have large long-term databases and studies based on this data: The heritability of human longevity: A population-based study of 2872 Danish twin pairs born 1870–1900 The Effect of ...
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  • 6,998
2 votes

What are effective lifestyle modifications for gastritis?

To treat gastritis naturally there are some lifestyle changes you can do. 1. For starters, stop smoking and limit drinking. 2. Avoid trigger foods and eat smaller meals more frequently to avoid ...
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  • 130
2 votes

How to find a good (or appropriate) doctor

Your strategy is correct. In my experience there is no other way, really, just keep looking. The signs of a good doctor are: doctor is genuinely interested in your case and he/she is eager to ...
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  • 206
2 votes
Accepted

Can acidic water be a pure water substitute

As you can see lemon juice is something that can adversely affect your enamel (1). Acid affects your teeth because it leeches calcium from them (2). When this happens your enamel breaks down making ...
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  • 268
2 votes

Any studies on the tradeoff between losing weight and being less stressful?

Can working to lose weight, as opposed to neglecting this, cause considerable stress? Not necessary, according to the following review. Diet-Induced Weight Loss Has No Effect on Psychological Stress ...
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  • 15.6k
1 vote

What exercise should I do to be medically healthy?

Mayo Clinic recommends 150 minutes of moderate/aerobic exercise weekly - so 30 minutes for 5 days. "As a general goal, aim for at least 30 minutes of physical activity every day." It sounds like you ...
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