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8 votes

Is early morning sunlight as good as evening sunlight for health?

Actually, I am a frequent flyer (I think I spend at least 10% of my year in an airplane or an airport) and I discussed the problem of sunlight with my treating physician. First, sunlight has an ...
Benjamin A.'s user avatar
7 votes

General Population Low Vitamin D Levels

There are a few mechanisms at work that influence the vitamin D status for Europeans. Vitamin D is either eaten in the food, created with the help of sunlight or supplemented. Many appear to net have ...
LаngLаngС's user avatar
  • 6,908
6 votes

Does vitamin D synthesis occur in indirect sunlight?

The sunlight through the window does not stimulate vitamin D synthesis in the skin. Sunlight and Vitamin D (PubMed): Since glass absorbs all UVB radiation, exposure of the skin to sunlight that ...
Jan's user avatar
  • 15.9k
6 votes

How much Vitamin D does the body produce if you're out for a whole summer day?

Vitamin D is produced in the skin by UV irradiation of 7-dehydrocholesterol. But vitamin D in the skin is also broken down by UV irradiation and this leads to a maximum equilibrium level of vitamin D ...
Count Iblis's user avatar
  • 2,270
5 votes

Does the use of sunscreen inhibit Vitamin D production?

This has been a controversial question for many years. The current evidence suggests that sunscreen does block a part of Vitamin D production, but with negligible amounts. Studies have found that ...
Narusan's user avatar
  • 6,921
5 votes

Does the damage from sun exposure outweigh the benefit of getting vitamin D?

I like your curiosity and logical thinking - you're just missing a few pieces of the puzzle. The sun emits ultraviolet light radiation which is the component of sunlight that is able to damage skin. ...
Andrew's user avatar
  • 382
5 votes

Why do most of an average person's UV exposure from the sun occur before the age of 18?

The statistic is false, though there's something meaningful behind it. From Godar et al, 2003: Since 1986, people have been informed that they get about 80% of their lifetime ultraviolet (UV) dose by ...
Bryan Krause's user avatar
  • 14.2k
3 votes

Does any drug/cream help prevent DNA damage post UV exposure?

According to a paper published by the principle investigator, Dr. Brash, who was interviewed in the article linked in the question: We document the ability of [acetyl zingerone] in vitro to prevent ...
Ian Campbell's user avatar
  • 3,255
2 votes

Can people who are epileptic be more sensitive to heat exhaustion/heat stroke?

Something that is worth mentioning right out of the gate is a febrile seizure (see also The Epilepsy Foundation). These are sudden seizures, generally experienced by young children, resulting from an ...
HDE 226868's user avatar
  • 1,848
2 votes

Does the use of sunscreen inhibit Vitamin D production?

In addition to the other answers: [C]linical studies have never found that everyday sunscreen use leads to vitamin D insufficiency. In fact, the prevailing studies show that people who use sunscreen ...
eniel.rod's user avatar
  • 201
2 votes

What is more immediately deadly, UV or Heat

Heat stroke can be deadly and it can occur in a relatively short period of time, even under an hour. When heat stroke occurs, the body ...
Carey Gregory's user avatar
  • 9,913
2 votes

Sun exposure damage

The Skin Cancer Foundation covers this: [A]fter the sunburn fades, lasting damage remains. Sunburn accelerates skin aging and is a leading cause in the majority of cases of basal cell carcinoma, ...
Chris Rogers's user avatar
  • 6,225
1 vote

How long does it take to beat vitamin D deficiency

Ideally, people should get enough vitamin D from their food. However, that's difficult to do, Many folks don't get enough of the nutrient from dietary sources like fatty fish and fortified milk. Ref: ...
Physicsapproval's user avatar

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