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  2. Health effects of sunlight exposure - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_sunlight...

    Most people in the world depend on the sun to get vitamin D, [31] and elderly populations in low UVB countries experience higher rates of cancer. [32] There are not many foods that naturally have vitamin D. [33] Examples are cod liver oil and oily fish. If people cannot get sunlight, then they will need 1,000 IU of vitamin D per day to stay ...

  3. Photodegradation - Wikipedia

    en.wikipedia.org/wiki/Photodegradation

    The protection of food from photodegradation is very important. Some nutrients, for example, are affected by degradation when exposed to sunlight. In the case of beer, UV radiation causes a process that entails the degradation of hop bitter compounds to 3-methyl-2-buten-1-thiol and therefore changes the taste. As amber-colored glass has the ...

  4. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    Photosynthesis (/ ˌ f oʊ t ə ˈ s ɪ n θ ə s ɪ s / FOH-tə-SINTH-ə-sis) [1] is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their metabolism.

  5. Vitamin D deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D_deficiency

    Decreased exposure of the skin to sunlight is a common cause of vitamin D deficiency. [1] People with a darker skin pigment with increased amounts of melanin may have decreased production of vitamin D. [3] Melanin absorbs ultraviolet B radiation from the sun and reduces vitamin D production. [3] Sunscreen can also reduce vitamin D production. [3]

  6. 20 Seemingly Healthy Foods That are Bad for You - AOL

    www.aol.com/food/20-seemingly-healthy-foods-are...

    With so many "healthy" food choices available, it can be hard to distinguish the real deal from their imposters. Don't be fooled by misleading health food. Read on

  7. 8 Foods You're Better Off Buying Non-Organic - AOL

    www.aol.com/8-foods-never-buy-organic-160000119.html

    2. Seafood. Does organic seafood actually exist?The jury is out. The USDA doesn't currently uphold standards for organic seafood, so there isn't much of a punch packed behind claims of organic sea ...

  8. Photosynthetic efficiency - Wikipedia

    en.wikipedia.org/wiki/Photosynthetic_efficiency

    28.2% (sunlight energy collected by chlorophyll) → 68% is lost in conversion of ATP and NADPH to d-glucose, leaving; 9% (collected as sugar) → 35–40% of sugar is recycled/consumed by the leaf in dark and photo-respiration, leaving; 5.4% net leaf efficiency. Many plants lose much of the remaining energy on growing roots.

  9. 10 'Healthy' Foods That Are Really Not that Good for You - AOL

    www.aol.com/10-healthy-foods-really-not...

    3. Veggie Chips. Kudos for swapping to a healthier snack, but don't get duped by veggie chips. They're just junk food in a kale costume. Like their potato cousins, they're deep-fried in ...